Q: What are the prime factors of the number 670,226,128?

 A: 2, 11, 13, 53, 5527

Why are those the prime factors of the number 670,226,128?

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 670,226,128

670,226,128
Factor Arrows
2335,113,064
Factor Arrows
2167,556,532
Factor Arrows
283,778,266
Factor Arrows
241,889,133
Factor Arrows
113,808,103
Factor Arrows
13292,931
Factor Arrows
535,527

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, 11, 13, 53, 5527

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 13 x 53 x 5,527 = 670,226,128

This can also be written as 24 x 111 x 131 x 531 x 5,5271 = 670,226,128

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


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