Q: What are the prime factors of the number 928,880?

 A: 2, 5, 17, 683

Why are those the prime factors of the number 928,880?

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 928,880

928,880
Factor Arrows
2464,440
Factor Arrows
2232,220
Factor Arrows
2116,110
Factor Arrows
258,055
Factor Arrows
511,611
Factor Arrows
17683

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, 5, 17, 683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 17 x 683 = 928,880

This can also be written as 24 x 51 x 171 x 6831 = 928,880

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


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