Q: What are the prime factors of the number 103,133,430?

 A: 2, 3, 5, 37, 30971

Why are those the prime factors of the number 103,133,430?

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 103,133,430

103,133,430
Factor Arrows
251,566,715
Factor Arrows
317,188,905
Factor Arrows
35,729,635
Factor Arrows
51,145,927
Factor Arrows
3730,971

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, 37, 30971

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 37 x 30,971 = 103,133,430

This can also be written as 21 x 32 x 51 x 371 x 30,9711 = 103,133,430

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


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