Q: What are the prime factors of the number 1,501,848?

 A: 2, 3, 17, 409

Why are those the prime factors of the number 1,501,848?

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 1,501,848

1,501,848
Factor Arrows
2750,924
Factor Arrows
2375,462
Factor Arrows
2187,731
Factor Arrows
362,577
Factor Arrows
320,859
Factor Arrows
36,953
Factor Arrows
17409

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, 17, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 17 x 409 = 1,501,848

This can also be written as 23 x 33 x 171 x 4091 = 1,501,848

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


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