Q: What are the prime factors of the number 411,655,365?

 A: 3, 5, 11, 10267

Why are those the prime factors of the number 411,655,365?

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 411,655,365

411,655,365
Factor Arrows
3137,218,455
Factor Arrows
345,739,485
Factor Arrows
315,246,495
Factor Arrows
35,082,165
Factor Arrows
31,694,055
Factor Arrows
3564,685
Factor Arrows
5112,937
Factor Arrows
1110,267

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, 5, 11, 10267

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 5 x 11 x 10,267 = 411,655,365

This can also be written as 36 x 51 x 111 x 10,2671 = 411,655,365

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


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