Q: What are the prime factors of the number 103,431,012?

 A: 2, 3, 59, 139, 1051

Why are those the prime factors of the number 103,431,012?

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 103,431,012

103,431,012
Factor Arrows
251,715,506
Factor Arrows
225,857,753
Factor Arrows
38,619,251
Factor Arrows
59146,089
Factor Arrows
1391,051

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, 59, 139, 1051

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 59 x 139 x 1,051 = 103,431,012

This can also be written as 22 x 31 x 591 x 1391 x 1,0511 = 103,431,012

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


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