Q: What are the prime factors of the number 42,628,911?

 A: 3, 13, 17, 113, 569

Why are those the prime factors of the number 42,628,911?

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 42,628,911

42,628,911
Factor Arrows
314,209,637
Factor Arrows
131,093,049
Factor Arrows
1764,297
Factor Arrows
113569

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:

3, 13, 17, 113, 569

We can check our work by multiplying all of the prime factors together: 3 x 13 x 17 x 113 x 569 = 42,628,911

This can also be written as 31 x 131 x 171 x 1131 x 5691 = 42,628,911

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


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