Q: What are the prime factors of the number 137,347,452?

 A: 2, 3, 11, 127, 2731

Why are those the prime factors of the number 137,347,452?

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 137,347,452

137,347,452
Factor Arrows
268,673,726
Factor Arrows
234,336,863
Factor Arrows
311,445,621
Factor Arrows
33,815,207
Factor Arrows
11346,837
Factor Arrows
1272,731

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, 11, 127, 2731

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 127 x 2,731 = 137,347,452

This can also be written as 22 x 32 x 111 x 1271 x 2,7311 = 137,347,452

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


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