Q: What are the prime factors of the number 411,231,411?

 A: 3, 17, 73, 4091

Why are those the prime factors of the number 411,231,411?

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 411,231,411

411,231,411
Factor Arrows
3137,077,137
Factor Arrows
345,692,379
Factor Arrows
315,230,793
Factor Arrows
35,076,931
Factor Arrows
17298,643
Factor Arrows
734,091

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, 17, 73, 4091

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 17 x 73 x 4,091 = 411,231,411

This can also be written as 34 x 171 x 731 x 4,0911 = 411,231,411

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


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