Q: What are the prime factors of the number 137,577,576?

 A: 2, 3, 127, 45137

Why are those the prime factors of the number 137,577,576?

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 137,577,576

137,577,576
Factor Arrows
268,788,788
Factor Arrows
234,394,394
Factor Arrows
217,197,197
Factor Arrows
35,732,399
Factor Arrows
12745,137

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, 127, 45137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 127 x 45,137 = 137,577,576

This can also be written as 23 x 31 x 1271 x 45,1371 = 137,577,576

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


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