Q: What are the prime factors of the number 850,212,636?

 A: 2, 3, 7, 13, 17, 271

Why are those the prime factors of the number 850,212,636?

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 850,212,636

850,212,636
Factor Arrows
2425,106,318
Factor Arrows
2212,553,159
Factor Arrows
370,851,053
Factor Arrows
710,121,579
Factor Arrows
13778,583
Factor Arrows
1359,891
Factor Arrows
134,607
Factor Arrows
17271

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, 7, 13, 17, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 13 x 13 x 13 x 17 x 271 = 850,212,636

This can also be written as 22 x 31 x 71 x 133 x 171 x 2711 = 850,212,636

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


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