Q: What are the prime factors of the number 749,196?

 A: 2, 3, 7, 991

Why are those the prime factors of the number 749,196?

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 749,196

749,196
Factor Arrows
2374,598
Factor Arrows
2187,299
Factor Arrows
362,433
Factor Arrows
320,811
Factor Arrows
36,937
Factor Arrows
7991

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, 991

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 991 = 749,196

This can also be written as 22 x 33 x 71 x 9911 = 749,196

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


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