Q: What are the prime factors of the number 2,966,208?

 A: 2, 3, 7, 2207

Why are those the prime factors of the number 2,966,208?

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 2,966,208

2,966,208
Factor Arrows
21,483,104
Factor Arrows
2741,552
Factor Arrows
2370,776
Factor Arrows
2185,388
Factor Arrows
292,694
Factor Arrows
246,347
Factor Arrows
315,449
Factor Arrows
72,207

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, 2207

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 3 x 7 x 2,207 = 2,966,208

This can also be written as 26 x 31 x 71 x 2,2071 = 2,966,208

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


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