Q: What are the prime factors of the number 77,671,473?

 A: 3, 11, 37, 5783

Why are those the prime factors of the number 77,671,473?

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 77,671,473

77,671,473
Factor Arrows
325,890,491
Factor Arrows
112,353,681
Factor Arrows
11213,971
Factor Arrows
375,783

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, 37, 5783

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 37 x 5,783 = 77,671,473

This can also be written as 31 x 112 x 371 x 5,7831 = 77,671,473

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


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