Q: What are the prime factors of the number 207,331,265?

 A: 5, 149, 397, 701

Why are those the prime factors of the number 207,331,265?

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 207,331,265

207,331,265
Factor Arrows
541,466,253
Factor Arrows
149278,297
Factor Arrows
397701

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:

5, 149, 397, 701

We can check our work by multiplying all of the prime factors together: 5 x 149 x 397 x 701 = 207,331,265

This can also be written as 51 x 1491 x 3971 x 7011 = 207,331,265

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


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