Q: What are the prime factors of the number 336,896?

 A: 2, 7, 47

Why are those the prime factors of the number 336,896?

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 336,896

336,896
Factor Arrows
2168,448
Factor Arrows
284,224
Factor Arrows
242,112
Factor Arrows
221,056
Factor Arrows
210,528
Factor Arrows
25,264
Factor Arrows
22,632
Factor Arrows
21,316
Factor Arrows
2658
Factor Arrows
2329
Factor Arrows
747

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, 47

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 2 x 2 x 7 x 47 = 336,896

This can also be written as 210 x 71 x 471 = 336,896

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


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