Q: What are the prime factors of the number 411,341,120?

 A: 2, 5, 1285441

Why are those the prime factors of the number 411,341,120?

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 411,341,120

411,341,120
Factor Arrows
2205,670,560
Factor Arrows
2102,835,280
Factor Arrows
251,417,640
Factor Arrows
225,708,820
Factor Arrows
212,854,410
Factor Arrows
26,427,205
Factor Arrows
51,285,441

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, 1285441

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 1,285,441 = 411,341,120

This can also be written as 26 x 51 x 1,285,4411 = 411,341,120

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


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