Q: What are the prime factors of the number 1,569,648?

 A: 2, 3, 53, 617

Why are those the prime factors of the number 1,569,648?

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 1,569,648

1,569,648
Factor Arrows
2784,824
Factor Arrows
2392,412
Factor Arrows
2196,206
Factor Arrows
298,103
Factor Arrows
332,701
Factor Arrows
53617

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, 53, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 53 x 617 = 1,569,648

This can also be written as 24 x 31 x 531 x 6171 = 1,569,648

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


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