Q: What are the prime factors of the number 101,837,880?

 A: 2, 3, 5, 457, 619

Why are those the prime factors of the number 101,837,880?

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 101,837,880

101,837,880
Factor Arrows
250,918,940
Factor Arrows
225,459,470
Factor Arrows
212,729,735
Factor Arrows
34,243,245
Factor Arrows
31,414,415
Factor Arrows
5282,883
Factor Arrows
457619

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, 5, 457, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 457 x 619 = 101,837,880

This can also be written as 23 x 32 x 51 x 4571 x 6191 = 101,837,880

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


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