Q: What are the prime factors of the number 1,756,608?

 A: 2, 3, 7, 1307

Why are those the prime factors of the number 1,756,608?

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 1,756,608

1,756,608
Factor Arrows
2878,304
Factor Arrows
2439,152
Factor Arrows
2219,576
Factor Arrows
2109,788
Factor Arrows
254,894
Factor Arrows
227,447
Factor Arrows
39,149
Factor Arrows
71,307

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, 3, 7, 1307

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 3 x 7 x 1,307 = 1,756,608

This can also be written as 26 x 31 x 71 x 1,3071 = 1,756,608

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


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