Q: What are the prime factors of the number 748,836?

 A: 2, 3, 11, 31, 61

Why are those the prime factors of the number 748,836?

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 748,836

748,836
Factor Arrows
2374,418
Factor Arrows
2187,209
Factor Arrows
362,403
Factor Arrows
320,801
Factor Arrows
111,891
Factor Arrows
3161

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, 11, 31, 61

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 31 x 61 = 748,836

This can also be written as 22 x 32 x 111 x 311 x 611 = 748,836

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


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