Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Combine the factors, eliminating duplicates.
2 x 3 x 5 x 7 = 210, the LCM
120 60,2 30,2,2 15,2,2,2 5,3,2,2,2
If your numbers have no prime factors in common, they are relatively prime.
128 64,2 32,2,2 16,2,2,2 8,2,2,2,2 4,2,2,2,2,2 2,2,2,2,2,2,2
22 x 52 x 13
A prime number has no factors other than 1 and the number itself. If prime factorization of a number reveals one or more additional prime factors, the number is a composite.
you use prime factorization
44 / 222 / 21144 = 22111 ■
Either one will work. If you're listing factors, use factors. If you're using prime factorization, use prime factors.
i dont know thats why im asking you
120 60,2 30,2,2 15,2,2,2 5,3,2,2,2
you multiply them together
The idea is to divide numerator and denominator of a fraction by any common factors. Prime factorization is simply used to find all possible factors.
If your numbers have no prime factors in common, they are relatively prime.
128 64,2 32,2,2 16,2,2,2 8,2,2,2,2 4,2,2,2,2,2 2,2,2,2,2,2,2
22 x 52 x 13
A prime number has no factors other than 1 and the number itself. If prime factorization of a number reveals one or more additional prime factors, the number is a composite.
The prime factorization of 560 is: 2, 5, and 7