Q: What are the prime factors of the number 1,335,296?

 A: 2, 163

Why are those the prime factors of the number 1,335,296?

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 1,335,296

1,335,296
Factor Arrows
2667,648
Factor Arrows
2333,824
Factor Arrows
2166,912
Factor Arrows
283,456
Factor Arrows
241,728
Factor Arrows
220,864
Factor Arrows
210,432
Factor Arrows
25,216
Factor Arrows
22,608
Factor Arrows
21,304
Factor Arrows
2652
Factor Arrows
2326
Factor Arrows
2163

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, 163

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 2 x 2 x 2 x 163 = 1,335,296

This can also be written as 213 x 1631 = 1,335,296

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


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