Q: What are the prime factors of the number 1,108,944?

 A: 2, 3, 17, 151

Why are those the prime factors of the number 1,108,944?

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 1,108,944

1,108,944
Factor Arrows
2554,472
Factor Arrows
2277,236
Factor Arrows
2138,618
Factor Arrows
269,309
Factor Arrows
323,103
Factor Arrows
37,701
Factor Arrows
32,567
Factor Arrows
17151

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, 17, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 17 x 151 = 1,108,944

This can also be written as 24 x 33 x 171 x 1511 = 1,108,944

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


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