Q: What are the prime factors of the number 1,736,960?

 A: 2, 5, 23, 59

Why are those the prime factors of the number 1,736,960?

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 1,736,960

1,736,960
Factor Arrows
2868,480
Factor Arrows
2434,240
Factor Arrows
2217,120
Factor Arrows
2108,560
Factor Arrows
254,280
Factor Arrows
227,140
Factor Arrows
213,570
Factor Arrows
26,785
Factor Arrows
51,357
Factor Arrows
2359

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, 5, 23, 59

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 5 x 23 x 59 = 1,736,960

This can also be written as 28 x 51 x 231 x 591 = 1,736,960

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


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