Q: What are the prime factors of the number 38,533,761?

 A: 3, 7, 37, 61, 271

Why are those the prime factors of the number 38,533,761?

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 38,533,761

38,533,761
Factor Arrows
312,844,587
Factor Arrows
34,281,529
Factor Arrows
7611,647
Factor Arrows
3716,531
Factor Arrows
61271

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:

3, 7, 37, 61, 271

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 37 x 61 x 271 = 38,533,761

This can also be written as 32 x 71 x 371 x 611 x 2711 = 38,533,761

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


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