Q: What are the prime factors of the number 3,849,048?

 A: 2, 3, 7, 1091

Why are those the prime factors of the number 3,849,048?

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 3,849,048

3,849,048
Factor Arrows
21,924,524
Factor Arrows
2962,262
Factor Arrows
2481,131
Factor Arrows
3160,377
Factor Arrows
353,459
Factor Arrows
77,637
Factor Arrows
71,091

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, 1091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 7 x 1,091 = 3,849,048

This can also be written as 23 x 32 x 72 x 1,0911 = 3,849,048

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


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