Q: What are the prime factors of the number 146,174,706?

 A: 2, 3, 23, 1453

Why are those the prime factors of the number 146,174,706?

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 146,174,706

146,174,706
Factor Arrows
273,087,353
Factor Arrows
324,362,451
Factor Arrows
38,120,817
Factor Arrows
32,706,939
Factor Arrows
3902,313
Factor Arrows
3300,771
Factor Arrows
3100,257
Factor Arrows
333,419
Factor Arrows
231,453

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, 23, 1453

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 23 x 1,453 = 146,174,706

This can also be written as 21 x 37 x 231 x 1,4531 = 146,174,706

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


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