Q: What are the prime factors of the number 156,141,300?

 A: 2, 3, 5, 7, 74353

Why are those the prime factors of the number 156,141,300?

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 156,141,300

156,141,300
Factor Arrows
278,070,650
Factor Arrows
239,035,325
Factor Arrows
313,011,775
Factor Arrows
52,602,355
Factor Arrows
5520,471
Factor Arrows
774,353

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, 74353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 7 x 74,353 = 156,141,300

This can also be written as 22 x 31 x 52 x 71 x 74,3531 = 156,141,300

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


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