Q: What are the prime factors of the number 3,974,848?

 A: 2, 173, 359

Why are those the prime factors of the number 3,974,848?

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 3,974,848

3,974,848
Factor Arrows
21,987,424
Factor Arrows
2993,712
Factor Arrows
2496,856
Factor Arrows
2248,428
Factor Arrows
2124,214
Factor Arrows
262,107
Factor Arrows
173359

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, 173, 359

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 173 x 359 = 3,974,848

This can also be written as 26 x 1731 x 3591 = 3,974,848

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


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