Q: What are the prime factors of the number 674,946?

 A: 2, 3, 29, 431

Why are those the prime factors of the number 674,946?

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 674,946

674,946
Factor Arrows
2337,473
Factor Arrows
3112,491
Factor Arrows
337,497
Factor Arrows
312,499
Factor Arrows
29431

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, 29, 431

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 29 x 431 = 674,946

This can also be written as 21 x 33 x 291 x 4311 = 674,946

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


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