Q: What are the prime factors of the number 105,153,000?

 A: 2, 3, 5, 35051

Why are those the prime factors of the number 105,153,000?

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 105,153,000

105,153,000
Factor Arrows
252,576,500
Factor Arrows
226,288,250
Factor Arrows
213,144,125
Factor Arrows
34,381,375
Factor Arrows
5876,275
Factor Arrows
5175,255
Factor Arrows
535,051

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, 35051

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 35,051 = 105,153,000

This can also be written as 23 x 31 x 53 x 35,0511 = 105,153,000

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


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