Q: What are the prime factors of the number 15,458,436?

 A: 2, 3, 7, 61343

Why are those the prime factors of the number 15,458,436?

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 15,458,436

15,458,436
Factor Arrows
27,729,218
Factor Arrows
23,864,609
Factor Arrows
31,288,203
Factor Arrows
3429,401
Factor Arrows
761,343

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, 61343

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 61,343 = 15,458,436

This can also be written as 22 x 32 x 71 x 61,3431 = 15,458,436

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


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