Q: What are the prime factors of the number 411,301,520?

 A: 2, 5, 7, 83, 8849

Why are those the prime factors of the number 411,301,520?

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 411,301,520

411,301,520
Factor Arrows
2205,650,760
Factor Arrows
2102,825,380
Factor Arrows
251,412,690
Factor Arrows
225,706,345
Factor Arrows
55,141,269
Factor Arrows
7734,467
Factor Arrows
838,849

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, 7, 83, 8849

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 83 x 8,849 = 411,301,520

This can also be written as 24 x 51 x 71 x 831 x 8,8491 = 411,301,520

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


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