Q: What are the prime factors of the number 3,784,374?

 A: 2, 3, 11, 23, 277

Why are those the prime factors of the number 3,784,374?

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 3,784,374

3,784,374
Factor Arrows
21,892,187
Factor Arrows
3630,729
Factor Arrows
3210,243
Factor Arrows
370,081
Factor Arrows
116,371
Factor Arrows
23277

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, 11, 23, 277

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 23 x 277 = 3,784,374

This can also be written as 21 x 33 x 111 x 231 x 2771 = 3,784,374

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


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