Q: What are the prime factors of the number 826,313,184?

 A: 2, 3, 31, 30851

Why are those the prime factors of the number 826,313,184?

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 826,313,184

826,313,184
Factor Arrows
2413,156,592
Factor Arrows
2206,578,296
Factor Arrows
2103,289,148
Factor Arrows
251,644,574
Factor Arrows
225,822,287
Factor Arrows
38,607,429
Factor Arrows
32,869,143
Factor Arrows
3956,381
Factor Arrows
3130,851

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, 31, 30851

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 31 x 30,851 = 826,313,184

This can also be written as 25 x 33 x 311 x 30,8511 = 826,313,184

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


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