Q: What are the prime factors of the number 102,203,332?

 A: 2, 7, 11, 167, 1987

Why are those the prime factors of the number 102,203,332?

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 102,203,332

102,203,332
Factor Arrows
251,101,666
Factor Arrows
225,550,833
Factor Arrows
73,650,119
Factor Arrows
11331,829
Factor Arrows
1671,987

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, 7, 11, 167, 1987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 167 x 1,987 = 102,203,332

This can also be written as 22 x 71 x 111 x 1671 x 1,9871 = 102,203,332

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


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