Q: What are the prime factors of the number 55,521,651?

 A: 3, 31, 61, 9787

Why are those the prime factors of the number 55,521,651?

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 55,521,651

55,521,651
Factor Arrows
318,507,217
Factor Arrows
31597,007
Factor Arrows
619,787

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, 31, 61, 9787

We can check our work by multiplying all of the prime factors together: 3 x 31 x 61 x 9,787 = 55,521,651

This can also be written as 31 x 311 x 611 x 9,7871 = 55,521,651

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


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