Q: What are the prime factors of the number 25,420,444?

 A: 2, 7, 761, 1193

Why are those the prime factors of the number 25,420,444?

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 25,420,444

25,420,444
Factor Arrows
212,710,222
Factor Arrows
26,355,111
Factor Arrows
7907,873
Factor Arrows
7611,193

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, 761, 1193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 761 x 1,193 = 25,420,444

This can also be written as 22 x 71 x 7611 x 1,1931 = 25,420,444

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


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