Q: What are the prime factors of the number 628,886,532?

 A: 2, 3, 73, 541, 1327

Why are those the prime factors of the number 628,886,532?

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 628,886,532

628,886,532
Factor Arrows
2314,443,266
Factor Arrows
2157,221,633
Factor Arrows
352,407,211
Factor Arrows
73717,907
Factor Arrows
5411,327

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, 73, 541, 1327

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 73 x 541 x 1,327 = 628,886,532

This can also be written as 22 x 31 x 731 x 5411 x 1,3271 = 628,886,532

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


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