Q: What are the prime factors of the number 32,648,994?

 A: 2, 3, 7, 457

Why are those the prime factors of the number 32,648,994?

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 32,648,994

32,648,994
Factor Arrows
216,324,497
Factor Arrows
35,441,499
Factor Arrows
31,813,833
Factor Arrows
3604,611
Factor Arrows
3201,537
Factor Arrows
367,179
Factor Arrows
322,393
Factor Arrows
73,199
Factor Arrows
7457

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, 457

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 7 x 457 = 32,648,994

This can also be written as 21 x 36 x 72 x 4571 = 32,648,994

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


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