Q: What are the prime factors of the number 76,436,547?

 A: 3, 11, 29, 53, 137

Why are those the prime factors of the number 76,436,547?

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 76,436,547

76,436,547
Factor Arrows
325,478,849
Factor Arrows
112,316,259
Factor Arrows
11210,569
Factor Arrows
297,261
Factor Arrows
53137

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:

3, 11, 29, 53, 137

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 29 x 53 x 137 = 76,436,547

This can also be written as 31 x 112 x 291 x 531 x 1371 = 76,436,547

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


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