Q: What are the prime factors of the number 1,101,184?

 A: 2, 7, 1229

Why are those the prime factors of the number 1,101,184?

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 1,101,184

1,101,184
Factor Arrows
2550,592
Factor Arrows
2275,296
Factor Arrows
2137,648
Factor Arrows
268,824
Factor Arrows
234,412
Factor Arrows
217,206
Factor Arrows
28,603
Factor Arrows
71,229

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, 7, 1229

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 7 x 1,229 = 1,101,184

This can also be written as 27 x 71 x 1,2291 = 1,101,184

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


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