Q: What are the prime factors of the number 924,416?

 A: 2, 23, 157

Why are those the prime factors of the number 924,416?

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 924,416

924,416
Factor Arrows
2462,208
Factor Arrows
2231,104
Factor Arrows
2115,552
Factor Arrows
257,776
Factor Arrows
228,888
Factor Arrows
214,444
Factor Arrows
27,222
Factor Arrows
23,611
Factor Arrows
23157

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, 23, 157

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 23 x 157 = 924,416

This can also be written as 28 x 231 x 1571 = 924,416

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


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