Q: What are the prime factors of the number 1,758,272?

 A: 2, 83, 331

Why are those the prime factors of the number 1,758,272?

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 1,758,272

1,758,272
Factor Arrows
2879,136
Factor Arrows
2439,568
Factor Arrows
2219,784
Factor Arrows
2109,892
Factor Arrows
254,946
Factor Arrows
227,473
Factor Arrows
83331

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, 83, 331

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 83 x 331 = 1,758,272

This can also be written as 26 x 831 x 3311 = 1,758,272

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


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