Q: What are the prime factors of the number 2,507,456?

 A: 2, 7, 29, 193

Why are those the prime factors of the number 2,507,456?

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 2,507,456

2,507,456
Factor Arrows
21,253,728
Factor Arrows
2626,864
Factor Arrows
2313,432
Factor Arrows
2156,716
Factor Arrows
278,358
Factor Arrows
239,179
Factor Arrows
75,597
Factor Arrows
29193

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, 7, 29, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 29 x 193 = 2,507,456

This can also be written as 26 x 71 x 291 x 1931 = 2,507,456

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


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