Q: What are the prime factors of the number 55,768,713?

 A: 3, 7, 11, 13, 379

Why are those the prime factors of the number 55,768,713?

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 55,768,713

55,768,713
Factor Arrows
318,589,571
Factor Arrows
72,655,653
Factor Arrows
7379,379
Factor Arrows
754,197
Factor Arrows
114,927
Factor Arrows
13379

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, 7, 11, 13, 379

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 11 x 13 x 379 = 55,768,713

This can also be written as 31 x 73 x 111 x 131 x 3791 = 55,768,713

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


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