Q: What are the prime factors of the number 137,741,000?

 A: 2, 5, 181, 761

Why are those the prime factors of the number 137,741,000?

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 137,741,000

137,741,000
Factor Arrows
268,870,500
Factor Arrows
234,435,250
Factor Arrows
217,217,625
Factor Arrows
53,443,525
Factor Arrows
5688,705
Factor Arrows
5137,741
Factor Arrows
181761

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, 5, 181, 761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 5 x 181 x 761 = 137,741,000

This can also be written as 23 x 53 x 1811 x 7611 = 137,741,000

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


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