Q: What are the prime factors of the number 557,440,264?

 A: 2, 31, 41, 73, 751

Why are those the prime factors of the number 557,440,264?

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 557,440,264

557,440,264
Factor Arrows
2278,720,132
Factor Arrows
2139,360,066
Factor Arrows
269,680,033
Factor Arrows
312,247,743
Factor Arrows
4154,823
Factor Arrows
73751

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, 31, 41, 73, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 31 x 41 x 73 x 751 = 557,440,264

This can also be written as 23 x 311 x 411 x 731 x 7511 = 557,440,264

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


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