Q: What are the prime factors of the number 102,238,248?

 A: 2, 3, 7, 31, 67, 293

Why are those the prime factors of the number 102,238,248?

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 102,238,248

102,238,248
Factor Arrows
251,119,124
Factor Arrows
225,559,562
Factor Arrows
212,779,781
Factor Arrows
34,259,927
Factor Arrows
7608,561
Factor Arrows
3119,631
Factor Arrows
67293

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, 31, 67, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 31 x 67 x 293 = 102,238,248

This can also be written as 23 x 31 x 71 x 311 x 671 x 2931 = 102,238,248

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


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