Q: What are the prime factors of the number 657,046,752?

 A: 2, 3, 19, 360223

Why are those the prime factors of the number 657,046,752?

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 657,046,752

657,046,752
Factor Arrows
2328,523,376
Factor Arrows
2164,261,688
Factor Arrows
282,130,844
Factor Arrows
241,065,422
Factor Arrows
220,532,711
Factor Arrows
36,844,237
Factor Arrows
19360,223

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, 19, 360223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 19 x 360,223 = 657,046,752

This can also be written as 25 x 31 x 191 x 360,2231 = 657,046,752

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


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