Q: What are the prime factors of the number 124,422,408?

 A: 2, 3, 11, 127, 1237

Why are those the prime factors of the number 124,422,408?

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 124,422,408

124,422,408
Factor Arrows
262,211,204
Factor Arrows
231,105,602
Factor Arrows
215,552,801
Factor Arrows
35,184,267
Factor Arrows
31,728,089
Factor Arrows
11157,099
Factor Arrows
1271,237

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, 11, 127, 1237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 127 x 1,237 = 124,422,408

This can also be written as 23 x 32 x 111 x 1271 x 1,2371 = 124,422,408

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


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