Q: What are the prime factors of the number 1,455,048?

 A: 2, 3, 7, 2887

Why are those the prime factors of the number 1,455,048?

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 1,455,048

1,455,048
Factor Arrows
2727,524
Factor Arrows
2363,762
Factor Arrows
2181,881
Factor Arrows
360,627
Factor Arrows
320,209
Factor Arrows
72,887

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, 2887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 2,887 = 1,455,048

This can also be written as 23 x 32 x 71 x 2,8871 = 1,455,048

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


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