Q: What are the prime factors of the number 1,697,792?

 A: 2, 829

Why are those the prime factors of the number 1,697,792?

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 1,697,792

1,697,792
Factor Arrows
2848,896
Factor Arrows
2424,448
Factor Arrows
2212,224
Factor Arrows
2106,112
Factor Arrows
253,056
Factor Arrows
226,528
Factor Arrows
213,264
Factor Arrows
26,632
Factor Arrows
23,316
Factor Arrows
21,658
Factor Arrows
2829

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, 829

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 829 = 1,697,792

This can also be written as 211 x 8291 = 1,697,792

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


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