Q: What are the prime factors of the number 440,964?

 A: 2, 3, 1361

Why are those the prime factors of the number 440,964?

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 440,964

440,964
Factor Arrows
2220,482
Factor Arrows
2110,241
Factor Arrows
336,747
Factor Arrows
312,249
Factor Arrows
34,083
Factor Arrows
31,361

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, 1361

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 1,361 = 440,964

This can also be written as 22 x 34 x 1,3611 = 440,964

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


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