Q: What are the prime factors of the number 71,841,704?

 A: 2, 11, 59, 101, 137

Why are those the prime factors of the number 71,841,704?

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 71,841,704

71,841,704
Factor Arrows
235,920,852
Factor Arrows
217,960,426
Factor Arrows
28,980,213
Factor Arrows
11816,383
Factor Arrows
5913,837
Factor Arrows
101137

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, 11, 59, 101, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 59 x 101 x 137 = 71,841,704

This can also be written as 23 x 111 x 591 x 1011 x 1371 = 71,841,704

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


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