Q: What are the prime factors of the number 491,964?

 A: 2, 3, 11, 3727

Why are those the prime factors of the number 491,964?

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 491,964

491,964
Factor Arrows
2245,982
Factor Arrows
2122,991
Factor Arrows
340,997
Factor Arrows
113,727

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, 3727

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 3,727 = 491,964

This can also be written as 22 x 31 x 111 x 3,7271 = 491,964

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


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