Q: What are the prime factors of the number 2,454,606?

 A: 2, 3, 7, 11, 23

Why are those the prime factors of the number 2,454,606?

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 2,454,606

2,454,606
Factor Arrows
21,227,303
Factor Arrows
3409,101
Factor Arrows
3136,367
Factor Arrows
719,481
Factor Arrows
72,783
Factor Arrows
11253
Factor Arrows
1123

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, 11, 23

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 7 x 11 x 11 x 23 = 2,454,606

This can also be written as 21 x 32 x 72 x 112 x 231 = 2,454,606

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


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