Q: What are the prime factors of the number 154,310,142?

 A: 2, 3, 7, 41, 89611

Why are those the prime factors of the number 154,310,142?

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 154,310,142

154,310,142
Factor Arrows
277,155,071
Factor Arrows
325,718,357
Factor Arrows
73,674,051
Factor Arrows
4189,611

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, 7, 41, 89611

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 41 x 89,611 = 154,310,142

This can also be written as 21 x 31 x 71 x 411 x 89,6111 = 154,310,142

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


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