Q: What are the prime factors of the number 10,949,904?

 A: 2, 3, 7, 17, 71

Why are those the prime factors of the number 10,949,904?

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 10,949,904

10,949,904
Factor Arrows
25,474,952
Factor Arrows
22,737,476
Factor Arrows
21,368,738
Factor Arrows
2684,369
Factor Arrows
3228,123
Factor Arrows
376,041
Factor Arrows
325,347
Factor Arrows
38,449
Factor Arrows
71,207
Factor Arrows
1771

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, 7, 17, 71

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 3 x 7 x 17 x 71 = 10,949,904

This can also be written as 24 x 34 x 71 x 171 x 711 = 10,949,904

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


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