Q: What are the prime factors of the number 1,535,600?

 A: 2, 5, 11, 349

Why are those the prime factors of the number 1,535,600?

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 1,535,600

1,535,600
Factor Arrows
2767,800
Factor Arrows
2383,900
Factor Arrows
2191,950
Factor Arrows
295,975
Factor Arrows
519,195
Factor Arrows
53,839
Factor Arrows
11349

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, 5, 11, 349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 11 x 349 = 1,535,600

This can also be written as 24 x 52 x 111 x 3491 = 1,535,600

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


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