Q: What are the prime factors of the number 977,193?

 A: 3, 7, 15511

Why are those the prime factors of the number 977,193?

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 977,193

977,193
Factor Arrows
3325,731
Factor Arrows
3108,577
Factor Arrows
715,511

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:

3, 7, 15511

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 15,511 = 977,193

This can also be written as 32 x 71 x 15,5111 = 977,193

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


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