Q: What are the prime factors of the number 1,752,576?

 A: 2, 3, 7, 163

Why are those the prime factors of the number 1,752,576?

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 1,752,576

1,752,576
Factor Arrows
2876,288
Factor Arrows
2438,144
Factor Arrows
2219,072
Factor Arrows
2109,536
Factor Arrows
254,768
Factor Arrows
227,384
Factor Arrows
213,692
Factor Arrows
26,846
Factor Arrows
23,423
Factor Arrows
31,141
Factor Arrows
7163

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, 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 3 x 7 x 163 = 1,752,576

This can also be written as 29 x 31 x 71 x 1631 = 1,752,576

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


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