Q: What are the prime factors of the number 3,497,984?

 A: 2, 7, 61

Why are those the prime factors of the number 3,497,984?

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 3,497,984

3,497,984
Factor Arrows
21,748,992
Factor Arrows
2874,496
Factor Arrows
2437,248
Factor Arrows
2218,624
Factor Arrows
2109,312
Factor Arrows
254,656
Factor Arrows
227,328
Factor Arrows
213,664
Factor Arrows
26,832
Factor Arrows
23,416
Factor Arrows
21,708
Factor Arrows
2854
Factor Arrows
2427
Factor Arrows
761

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, 61

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 2 x 2 x 2 x 2 x 2 x 7 x 61 = 3,497,984

This can also be written as 213 x 71 x 611 = 3,497,984

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 3,497,984:


Ask a Question