Q: What are the prime factors of the number 216,346,410?

 A: 2, 3, 5, 7, 113, 1013

Why are those the prime factors of the number 216,346,410?

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 216,346,410

216,346,410
Factor Arrows
2108,173,205
Factor Arrows
336,057,735
Factor Arrows
312,019,245
Factor Arrows
34,006,415
Factor Arrows
5801,283
Factor Arrows
7114,469
Factor Arrows
1131,013

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, 5, 7, 113, 1013

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 7 x 113 x 1,013 = 216,346,410

This can also be written as 21 x 33 x 51 x 71 x 1131 x 1,0131 = 216,346,410

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


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