Q: What are the prime factors of the number 411,242,208?

 A: 2, 3, 13, 23, 14327

Why are those the prime factors of the number 411,242,208?

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 411,242,208

411,242,208
Factor Arrows
2205,621,104
Factor Arrows
2102,810,552
Factor Arrows
251,405,276
Factor Arrows
225,702,638
Factor Arrows
212,851,319
Factor Arrows
34,283,773
Factor Arrows
13329,521
Factor Arrows
2314,327

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, 13, 23, 14327

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 23 x 14,327 = 411,242,208

This can also be written as 25 x 31 x 131 x 231 x 14,3271 = 411,242,208

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


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