Prime Factorization
GCF prime factorization 1
GCF prime factorization 2
LCM prime factorization 1
LCM prime factorization 2
100
Find the prime factorization of 16

16 = 24

100

Find the GCF by the prime factorizations

6, 15

GCF of 6 and 15 is 3

100

Find the GCF by the prime factorizations

20, 45

The GCF of 20 and 45 is 5

100

FiFind the LCM by the prime factorization

4, 6

The LCM of 4 and 6 is 12

100

Find the LCM by the prime factorization

16, 20

The LCM is 16 and 20 is 80

200

Find the prime factorization of 25

25 = 52

200

Find the GCF by the prime factorizations

27, 45

The GCF of 27 and 45 is 9

200

Find the GCF by the prime factorization

24, 90

The GCF of 24 and 90 is 6

200

Find the LCM by the prime factorization

4, 14

The LCM of 4 and 14 is 28

200

Find the LCM by the prime factorization

6, 45

The LCM of 6 and 45 is 90

300

Find the prime factorization of 54

54 = 2 x 33

300

Find the GCF by the prime factorizations

30, 48

The GCF of 30 and 48 is 6

300

Find the GCF by the prime factorization

52, 68

The GCF of 52 and 68 is 4

300

Find the LCM by the prime factorization

6, 20

The LCM of 6 and 20 is 60

300

Find the LCM by the prime factorization

10, 12

The LCM of 10 and 12 is 60

400

Find the prime factorization of 77

77 = 7 x 11

400

Find the GCF by the prime factorizations

28, 64

The GCF of 28 and 64 is 4

400

Find the GCF by the prime factorization

56, 96

The GCF of 56, and 96 is 8

400

Find the LCM by the prime factorization

15, 20

The LCM of 15 and 20 is 60

400

Find the LCM by the prime factorization

18, 27

The LCM of 18 and 27 is 54

500

Find the prime factorization of 84

84 = 22 x 3 x 7

500

Find the GCF by the prime factorizations

42, 70

The GCF of 42, 70 is 14

500

Find the GCF by the prime factorization

45, 120

The GCF of 45 and 120 is 15

500

Find the LCM by the prime factorization

12, 28

The LCM of 12 and 28 is 84

500

Find the LCM by the prime factorization

9,  28

The LCM of 9 and 28 is 252

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