Q: What are the prime factors of the number 1,526,952?

 A: 2, 3, 7, 61, 149

Why are those the prime factors of the number 1,526,952?

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 1,526,952

1,526,952
Factor Arrows
2763,476
Factor Arrows
2381,738
Factor Arrows
2190,869
Factor Arrows
363,623
Factor Arrows
79,089
Factor Arrows
61149

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, 61, 149

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 61 x 149 = 1,526,952

This can also be written as 23 x 31 x 71 x 611 x 1491 = 1,526,952

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


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