Q: What are the prime factors of the number 839,762?

 A: 2, 7, 11, 19, 41

Why are those the prime factors of the number 839,762?

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 839,762

839,762
Factor Arrows
2419,881
Factor Arrows
759,983
Factor Arrows
78,569
Factor Arrows
11779
Factor Arrows
1941

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, 7, 11, 19, 41

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 11 x 19 x 41 = 839,762

This can also be written as 21 x 72 x 111 x 191 x 411 = 839,762

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


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