Q: What are the prime factors of the number 12,527,878?

 A: 2, 11, 17, 19, 41, 43

Why are those the prime factors of the number 12,527,878?

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 12,527,878

12,527,878
Factor Arrows
26,263,939
Factor Arrows
11569,449
Factor Arrows
1733,497
Factor Arrows
191,763
Factor Arrows
4143

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, 17, 19, 41, 43

We can check our work by multiplying all of the prime factors together: 2 x 11 x 17 x 19 x 41 x 43 = 12,527,878

This can also be written as 21 x 111 x 171 x 191 x 411 x 431 = 12,527,878

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


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