Q: What are the prime factors of the number 134,454,450?

 A: 2, 3, 5, 13, 19, 191

Why are those the prime factors of the number 134,454,450?

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 134,454,450

134,454,450
Factor Arrows
267,227,225
Factor Arrows
322,409,075
Factor Arrows
54,481,815
Factor Arrows
5896,363
Factor Arrows
1368,951
Factor Arrows
193,629
Factor Arrows
19191

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, 5, 13, 19, 191

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 13 x 19 x 19 x 191 = 134,454,450

This can also be written as 21 x 31 x 52 x 131 x 192 x 1911 = 134,454,450

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


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