Q: What are the prime factors of the number 1,415,648?

 A: 2, 13, 41, 83

Why are those the prime factors of the number 1,415,648?

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 1,415,648

1,415,648
Factor Arrows
2707,824
Factor Arrows
2353,912
Factor Arrows
2176,956
Factor Arrows
288,478
Factor Arrows
244,239
Factor Arrows
133,403
Factor Arrows
4183

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, 13, 41, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 41 x 83 = 1,415,648

This can also be written as 25 x 131 x 411 x 831 = 1,415,648

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


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