Q: What are the prime factors of the number 148,103,868?

 A: 2, 3, 11, 43, 97, 269

Why are those the prime factors of the number 148,103,868?

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 148,103,868

148,103,868
Factor Arrows
274,051,934
Factor Arrows
237,025,967
Factor Arrows
312,341,989
Factor Arrows
111,121,999
Factor Arrows
4326,093
Factor Arrows
97269

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, 11, 43, 97, 269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 43 x 97 x 269 = 148,103,868

This can also be written as 22 x 31 x 111 x 431 x 971 x 2691 = 148,103,868

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


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