Q: What are the prime factors of the number 11,553,435?

 A: 3, 5, 37, 257

Why are those the prime factors of the number 11,553,435?

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 11,553,435

11,553,435
Factor Arrows
33,851,145
Factor Arrows
31,283,715
Factor Arrows
3427,905
Factor Arrows
3142,635
Factor Arrows
347,545
Factor Arrows
59,509
Factor Arrows
37257

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:

3, 5, 37, 257

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 37 x 257 = 11,553,435

This can also be written as 35 x 51 x 371 x 2571 = 11,553,435

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


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