Q: What are the prime factors of the number 137,415,012?

 A: 2, 3, 7, 17, 59, 233

Why are those the prime factors of the number 137,415,012?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 137,415,012

137,415,012
Factor Arrows
268,707,506
Factor Arrows
234,353,753
Factor Arrows
311,451,251
Factor Arrows
71,635,893
Factor Arrows
7233,699
Factor Arrows
1713,747
Factor Arrows
59233

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 7, 17, 59, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 17 x 59 x 233 = 137,415,012

This can also be written as 22 x 31 x 72 x 171 x 591 x 2331 = 137,415,012

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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