Q: What are the prime factors of the number 56,777,456?

 A: 2, 41, 2111

Why are those the prime factors of the number 56,777,456?

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 56,777,456

56,777,456
Factor Arrows
228,388,728
Factor Arrows
214,194,364
Factor Arrows
27,097,182
Factor Arrows
23,548,591
Factor Arrows
4186,551
Factor Arrows
412,111

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, 41, 2111

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 41 x 41 x 2,111 = 56,777,456

This can also be written as 24 x 412 x 2,1111 = 56,777,456

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


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