Q: What are the prime factors of the number 105,106,050?

 A: 2, 3, 5, 7, 61, 547

Why are those the prime factors of the number 105,106,050?

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 105,106,050

105,106,050
Factor Arrows
252,553,025
Factor Arrows
317,517,675
Factor Arrows
35,839,225
Factor Arrows
51,167,845
Factor Arrows
5233,569
Factor Arrows
733,367
Factor Arrows
61547

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, 61, 547

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 7 x 61 x 547 = 105,106,050

This can also be written as 21 x 32 x 52 x 71 x 611 x 5471 = 105,106,050

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


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