Q: What are the prime factors of the number 3,849,984?

 A: 2, 3, 557

Why are those the prime factors of the number 3,849,984?

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 3,849,984

3,849,984
Factor Arrows
21,924,992
Factor Arrows
2962,496
Factor Arrows
2481,248
Factor Arrows
2240,624
Factor Arrows
2120,312
Factor Arrows
260,156
Factor Arrows
230,078
Factor Arrows
215,039
Factor Arrows
35,013
Factor Arrows
31,671
Factor Arrows
3557

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, 557

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 2 x 3 x 3 x 3 x 557 = 3,849,984

This can also be written as 28 x 33 x 5571 = 3,849,984

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


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