Factors, Multiples, LCM, & GCF

Factors

100

The factors of 6=

What is 1,2,3,6

200

The factors of 5=

What is 1,5

300

The factors of 36

What is 1, 2, 3, 4, 6, 9, 12, 18, 36

400

1, 2, 3, 5, 6, 10, 15, 30

What are the factors of 30?

500

What is a factor?

A factor is a number that divides into another number evenly.

Multiples

100

What are six multiples of 7?

7, 14, 21, 28, 35, 42

200

The first five multiples of 46

What is 46, 92, 138, 184, 230?

300

First 5 multiples of 21=

What is 21, 42, 63, 84, 105...

400

What is a prime number?

A prime number is a number with only factors of 1 and itself.

500

What are the first five factors of 9?

9, 18, 27, 36, 45

LCM

100

LCM(8,9)=

What is 72

200

LCM(6,7)=

What is 42

300

The least comon multiple of 8 and 24

What is 24?

400

What is the lcm of 3 and 11?

33

500

What is the LCM of 10 and 10?

10

GCF

100

The greatest common factor of 6 and 24

What is 6?

200

GCF(25, 48)=

What is 1?

300

GCF(9, 27)=

What is 9?

400

GCF(12, 30)=

What is 60?

500

GCF(11, 132)=

What is 132?

Primes

100

2x2x5x7

What is the prime factorization of 140?

200

3x3x3x3

What is the prime factorization of 81?

300

Prime Factorization of 300

What is 2x2x3x5x5

400

This number is missing from the prime factorization 2x2x3=24

What is 2?

500

Any number less than 121 is prime if it cannot be divided by these numbers.

What are 2, 3, 5, and 7?