Q: What are the prime factors of the number 202,141,328?

 A: 2, 31, 127, 3209

Why are those the prime factors of the number 202,141,328?

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 202,141,328

202,141,328
Factor Arrows
2101,070,664
Factor Arrows
250,535,332
Factor Arrows
225,267,666
Factor Arrows
212,633,833
Factor Arrows
31407,543
Factor Arrows
1273,209

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, 31, 127, 3209

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 31 x 127 x 3,209 = 202,141,328

This can also be written as 24 x 311 x 1271 x 3,2091 = 202,141,328

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


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