Q: What are the prime factors of the number 411,563,456?

 A: 2, 79, 81401

Why are those the prime factors of the number 411,563,456?

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 411,563,456

411,563,456
Factor Arrows
2205,781,728
Factor Arrows
2102,890,864
Factor Arrows
251,445,432
Factor Arrows
225,722,716
Factor Arrows
212,861,358
Factor Arrows
26,430,679
Factor Arrows
7981,401

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, 79, 81401

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 79 x 81,401 = 411,563,456

This can also be written as 26 x 791 x 81,4011 = 411,563,456

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


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