Q: What are the prime factors of the number 7,195,072?

 A: 2, 19, 61, 97

Why are those the prime factors of the number 7,195,072?

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 7,195,072

7,195,072
Factor Arrows
23,597,536
Factor Arrows
21,798,768
Factor Arrows
2899,384
Factor Arrows
2449,692
Factor Arrows
2224,846
Factor Arrows
2112,423
Factor Arrows
195,917
Factor Arrows
6197

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, 19, 61, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 19 x 61 x 97 = 7,195,072

This can also be written as 26 x 191 x 611 x 971 = 7,195,072

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


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