Q: What are the prime factors of the number 102,015,315?

 A: 3, 5, 719, 1051

Why are those the prime factors of the number 102,015,315?

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 102,015,315

102,015,315
Factor Arrows
334,005,105
Factor Arrows
311,335,035
Factor Arrows
33,778,345
Factor Arrows
5755,669
Factor Arrows
7191,051

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:

3, 5, 719, 1051

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 719 x 1,051 = 102,015,315

This can also be written as 33 x 51 x 7191 x 1,0511 = 102,015,315

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


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