Q: What are the prime factors of the number 141,603,000?

 A: 2, 3, 5, 7, 11, 613

Why are those the prime factors of the number 141,603,000?

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 141,603,000

141,603,000
Factor Arrows
270,801,500
Factor Arrows
235,400,750
Factor Arrows
217,700,375
Factor Arrows
35,900,125
Factor Arrows
51,180,025
Factor Arrows
5236,005
Factor Arrows
547,201
Factor Arrows
76,743
Factor Arrows
11613

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, 7, 11, 613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 5 x 7 x 11 x 613 = 141,603,000

This can also be written as 23 x 31 x 53 x 71 x 111 x 6131 = 141,603,000

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


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