Q: What are the prime factors of the number 938,448?

 A: 2, 3, 7, 19

Why are those the prime factors of the number 938,448?

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 938,448

938,448
Factor Arrows
2469,224
Factor Arrows
2234,612
Factor Arrows
2117,306
Factor Arrows
258,653
Factor Arrows
319,551
Factor Arrows
36,517
Factor Arrows
7931
Factor Arrows
7133
Factor Arrows
719

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, 7, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 7 x 7 x 19 = 938,448

This can also be written as 24 x 32 x 73 x 191 = 938,448

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


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