Q: What are the prime factors of the number 26,465,418?

 A: 2, 3, 7, 41, 47, 109

Why are those the prime factors of the number 26,465,418?

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 26,465,418

26,465,418
Factor Arrows
213,232,709
Factor Arrows
34,410,903
Factor Arrows
31,470,301
Factor Arrows
7210,043
Factor Arrows
415,123
Factor Arrows
47109

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, 41, 47, 109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 41 x 47 x 109 = 26,465,418

This can also be written as 21 x 32 x 71 x 411 x 471 x 1091 = 26,465,418

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


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