Q: What are the prime factors of the number 636,065,404?

 A: 2, 13, 17, 157, 4583

Why are those the prime factors of the number 636,065,404?

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 636,065,404

636,065,404
Factor Arrows
2318,032,702
Factor Arrows
2159,016,351
Factor Arrows
1312,232,027
Factor Arrows
17719,531
Factor Arrows
1574,583

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, 13, 17, 157, 4583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 17 x 157 x 4,583 = 636,065,404

This can also be written as 22 x 131 x 171 x 1571 x 4,5831 = 636,065,404

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


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