Q: What are the prime factors of the number 492,352?

 A: 2, 7, 157

Why are those the prime factors of the number 492,352?

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 492,352

492,352
Factor Arrows
2246,176
Factor Arrows
2123,088
Factor Arrows
261,544
Factor Arrows
230,772
Factor Arrows
215,386
Factor Arrows
27,693
Factor Arrows
71,099
Factor Arrows
7157

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, 7, 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 7 x 7 x 157 = 492,352

This can also be written as 26 x 72 x 1571 = 492,352

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


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