Q: What are the prime factors of the number 4,235,976?

 A: 2, 3, 2179

Why are those the prime factors of the number 4,235,976?

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 4,235,976

4,235,976
Factor Arrows
22,117,988
Factor Arrows
21,058,994
Factor Arrows
2529,497
Factor Arrows
3176,499
Factor Arrows
358,833
Factor Arrows
319,611
Factor Arrows
36,537
Factor Arrows
32,179

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, 2179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 2,179 = 4,235,976

This can also be written as 23 x 35 x 2,1791 = 4,235,976

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


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