Q: What are the prime factors of the number 1,113,248?

 A: 2, 19, 1831

Why are those the prime factors of the number 1,113,248?

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 1,113,248

1,113,248
Factor Arrows
2556,624
Factor Arrows
2278,312
Factor Arrows
2139,156
Factor Arrows
269,578
Factor Arrows
234,789
Factor Arrows
191,831

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, 19, 1831

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 1,831 = 1,113,248

This can also be written as 25 x 191 x 1,8311 = 1,113,248

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


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