Q: What are the prime factors of the number 25,830,056?

 A: 2, 7, 131, 503

Why are those the prime factors of the number 25,830,056?

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 25,830,056

25,830,056
Factor Arrows
212,915,028
Factor Arrows
26,457,514
Factor Arrows
23,228,757
Factor Arrows
7461,251
Factor Arrows
765,893
Factor Arrows
131503

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, 131, 503

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 131 x 503 = 25,830,056

This can also be written as 23 x 72 x 1311 x 5031 = 25,830,056

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


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