Q: What are the prime factors of the number 121,104,342?

 A: 2, 3, 359, 6247

Why are those the prime factors of the number 121,104,342?

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 121,104,342

121,104,342
Factor Arrows
260,552,171
Factor Arrows
320,184,057
Factor Arrows
36,728,019
Factor Arrows
32,242,673
Factor Arrows
3596,247

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, 359, 6247

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 359 x 6,247 = 121,104,342

This can also be written as 21 x 33 x 3591 x 6,2471 = 121,104,342

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


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