Q: What are the prime factors of the number 7,261,758?

 A: 2, 3, 7, 19211

Why are those the prime factors of the number 7,261,758?

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 7,261,758

7,261,758
Factor Arrows
23,630,879
Factor Arrows
31,210,293
Factor Arrows
3403,431
Factor Arrows
3134,477
Factor Arrows
719,211

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, 19211

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 19,211 = 7,261,758

This can also be written as 21 x 33 x 71 x 19,2111 = 7,261,758

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


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