# what is the lcm and gcf of 18 and 20?

Purplemath. To find either the Least Common Multiple (LCM) or Greatest Common Factor (GCF) of two numbers, you always start out the same way: you find the prime ... - read more

Jul 23, 2013 · Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us ... - read more

### what is the lcm and gcf of 18 and 20 Resources

#### Greatest Common Factor and Least Common Multiples GCF and LCM ...

Title: Greatest Common Factor and Least Common Multiples GCF and LCM ... read more

#### GCF and LCM Word Problems #2 - K5 Learning

Online reading & math. 14 day free trial. www.k5learning.com Answers 1. Multiples of 8: 8, 16, 24, 32, 40, 48 20: 20, 40, 60 10: 10, 20, 30, 40, 50 ... read more

#### 5: GCF and LCM Word Problems #1 - K5 Learning

Online reading & math. 14 day free trial. www.k5learning.com Answers 1. Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52. 6: 6, 12, 18, 24, 30, 36, 42 ... ... read more

#### Multiples and LCM - Math Goodies

In the problem above, we found multiples of the whole number 4. The multiples of a whole number are found by taking the product of any counting number and that whole ... ... read more

Aug 16, 2012 · Rating is available when the video has been rented ... read more

#### Worksheet 4 - The Highest Common Factor (HCF) and the Lowest ...

Worksheet 4 - The Highest Common Factor (HCF) and the Lowest Common Multiple (LCM) (Difficulty level: Easy) The Highest Common Factor (H.C.F.) of: ... read more

#### Least Common Multiples Worksheets ( LCM )

Finding Least Common Multiples worksheet . Finding Least Common Multiples. Title: Minimum Number: Maximum Number: Minimum Number Set: ... read more

#### 6.ns.4 Worksheets - Common Core Sheets

1oa1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing ... ... read more

#### Greatest Common Factor Calculator

Calculate the GCF or GCD or HCF of 2 or more values and show work with steps. How to find the greatest common factor using factoring, prime factorization and Euclid's ... ... read more

#### Factors And Multiples (worked solutions, examples, videos)

Related Topics: More Lessons for Arithmetic, Math Worksheets Factors And Multiples If a is divisible by b, then b is a factor of a, and a is a multiple of b. ... read more

#### GMAT Math: Factors - Magoosh GMAT Blog

“If n is the smallest integer such that 432 times n is the square of an integer, what is the value of y?” “How many prime numbers are factors of 33150?” If ... ... read more

#### WHAT EVERY YOUNG MATHLETE SHOULD KNOW

WHAT EVERY YOUNG MATHLETE SHOULD KNOW I. VOCABULARY AND LANGUAGE The following explains, defines, or lists some of the words that may be used in Olympiad problems. ... read more

#### Polymathlove.com - Calculations with Negative Numbers

Right from numbers to number, we have got every aspect included. Come to Polymathlove.com and study greatest common factor, standards and loads of other algebra ... ... read more

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#### distributive property simplify calculator

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#### ways to cheat the aleks system - Easyalgebra.com

Yep May God save us students from the wrath of ways to cheat the aleks system. I used to face same problems that you do when I was there. I always used to be confused ... ... read more

#### Elementary School Program Samples - Mathnasium

Elementary School Program Samples. The curriculum samples shown here represent critical topics we address at each grade level. 2 nd Grade . Place Value ... read more

#### Chapter 1.2: Factoring with Expressions & Equations

Precal Matters Notes 1.2: Factoring w/ Expressions & Eqs Page 4 of 5 You can often “clear out” pesky fractions by multiplying through the equation by the LCM of all ... read more

#### Free Math Worksheets for Grade 2 - Home School Math-2nd Grade

You are here: Home → Worksheets → Grade 2 Free Math Worksheets for Grade 2. This is a comprehensive collection of free printable math worksheets for grade 2 ... ... read more

#### Greatest common divisor - Wikipedia

In mathematics, the greatest common divisor (gcd) of two or more integers, when at least one of them is not zero, is the largest positive integer that is a divisor of ... ... read more

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#### Prime and Composite Numbers - Math Goodies

Example 6: Is the number 31 prime or composite? Explain your answer using full sentences. Solution 1: The number 31 is prime because its only factors are one and ... ... read more

#### Mathematics K to 12 Curriculum Guide - SlideShare

Mar 27, 2014 · Mathematics K to 12 Curriculum Guide 1. Republic of the Philippines Department of Education DepEd Complex, Meralco Avenue Pasig City December ... ... read more

#### Free 5th Grade Math Worksheets

You are here: Home → Worksheets → Grade 5 Free Math Worksheets for Grade 5. This is a comprehensive collection of free printable math worksheets for grade 5 ... ... read more

#### Math: Number Theory : GMAT Quantitative Section

Registration gives you: Tests. Take 11 tests and quizzes from GMAT Club and leading GMAT prep companies such as Manhattan GMAT, Knewton, and others. ... read more

#### Cool Math Games for Kids - Free Online Games at Mathnook

Mathnook offers the best cool math games for kids. Children learn math while playing fun online games. Free math games target a variety of math skills. ... read more

#### Math Games: Matching Equivalent Fraction

Math matching game to learn equivalent fractions. ... Game not showing up? Other problems? Go to our: FAQ & Help page. Want to give us feedback on the game? ... read more