Q: What are the prime factors of the number 142,452,432?

 A: 2, 3, 23, 59

Why are those the prime factors of the number 142,452,432?

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 142,452,432

142,452,432
Factor Arrows
271,226,216
Factor Arrows
235,613,108
Factor Arrows
217,806,554
Factor Arrows
28,903,277
Factor Arrows
32,967,759
Factor Arrows
3989,253
Factor Arrows
3329,751
Factor Arrows
3109,917
Factor Arrows
336,639
Factor Arrows
312,213
Factor Arrows
34,071
Factor Arrows
31,357
Factor Arrows
2359

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, 23, 59

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 23 x 59 = 142,452,432

This can also be written as 24 x 38 x 231 x 591 = 142,452,432

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


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