Q: What are the prime factors of the number 56,722,306?

 A: 2, 103, 227, 1213

Why are those the prime factors of the number 56,722,306?

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 56,722,306

56,722,306
Factor Arrows
228,361,153
Factor Arrows
103275,351
Factor Arrows
2271,213

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, 103, 227, 1213

We can check our work by multiplying all of the prime factors together: 2 x 103 x 227 x 1,213 = 56,722,306

This can also be written as 21 x 1031 x 2271 x 1,2131 = 56,722,306

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


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