Q: What are the prime factors of the number 565,256,100?

 A: 2, 3, 5, 1151, 1637

Why are those the prime factors of the number 565,256,100?

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 565,256,100

565,256,100
Factor Arrows
2282,628,050
Factor Arrows
2141,314,025
Factor Arrows
347,104,675
Factor Arrows
59,420,935
Factor Arrows
51,884,187
Factor Arrows
1,1511,637

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, 3, 5, 1151, 1637

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 1,151 x 1,637 = 565,256,100

This can also be written as 22 x 31 x 52 x 1,1511 x 1,6371 = 565,256,100

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


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