Q: What are the prime factors of the number 15,433,152?

 A: 2, 3, 7, 11483

Why are those the prime factors of the number 15,433,152?

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 15,433,152

15,433,152
Factor Arrows
27,716,576
Factor Arrows
23,858,288
Factor Arrows
21,929,144
Factor Arrows
2964,572
Factor Arrows
2482,286
Factor Arrows
2241,143
Factor Arrows
380,381
Factor Arrows
711,483

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, 11483

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 3 x 7 x 11,483 = 15,433,152

This can also be written as 26 x 31 x 71 x 11,4831 = 15,433,152

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


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