Q: What are the prime factors of the number 635,543,150?

 A: 2, 5, 11, 79, 14627

Why are those the prime factors of the number 635,543,150?

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 635,543,150

635,543,150
Factor Arrows
2317,771,575
Factor Arrows
563,554,315
Factor Arrows
512,710,863
Factor Arrows
111,155,533
Factor Arrows
7914,627

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, 11, 79, 14627

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 79 x 14,627 = 635,543,150

This can also be written as 21 x 52 x 111 x 791 x 14,6271 = 635,543,150

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


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