Q: What are the prime factors of the number 7,534,736?

 A: 2, 11, 31, 1381

Why are those the prime factors of the number 7,534,736?

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 7,534,736

7,534,736
Factor Arrows
23,767,368
Factor Arrows
21,883,684
Factor Arrows
2941,842
Factor Arrows
2470,921
Factor Arrows
1142,811
Factor Arrows
311,381

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, 11, 31, 1381

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 31 x 1,381 = 7,534,736

This can also be written as 24 x 111 x 311 x 1,3811 = 7,534,736

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


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