Q: What are the prime factors of the number 562,434,640?

 A: 2, 5, 23, 61, 5011

Why are those the prime factors of the number 562,434,640?

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 562,434,640

562,434,640
Factor Arrows
2281,217,320
Factor Arrows
2140,608,660
Factor Arrows
270,304,330
Factor Arrows
235,152,165
Factor Arrows
57,030,433
Factor Arrows
23305,671
Factor Arrows
615,011

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, 5, 23, 61, 5011

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 23 x 61 x 5,011 = 562,434,640

This can also be written as 24 x 51 x 231 x 611 x 5,0111 = 562,434,640

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


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