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##### Asked by: Deepa Valyanov

books and literature childrens literature# What are the factors of 140?

Last Updated: 11th May, 2020

**Factor pairs**: 140 = 1x140, 2 x 70, 4 x 35, 5 x 28, 7 x 20, 10 x 14. Factors of 140: 1,2,4, 5, 7, 10, 14, 20, 28, 35, 70, 140.

**Primefactorization**:140 = 2 x 2 x 5 x 7, which can also be written140 = 2² x 5 x7.

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Herein, what are the factors of 144?

**144** is a composite number and a perfectsquare.**Factor** pairs: **144** = 1 x **144**, 2 x 72, 3x 48, 4x 36, 6 x 24, 8 x 18, 9 x 16, 12 x 12. **Factors of144**: 1, 2,3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72,**144**. Primefactorization: **144** = 2 x 2 x 2 x 2 x 3 x 3,which can alsobe written **144** = (2^4) x (3^2).

Furthermore, what are the factors of 141? **141** is a composite number. **Factor**pairs:**141** = 1 x **141** or 3 x 47. **Factors of 141**:1, 3,47, **141**. Prime factorization: **141** = 3x47.

Furthermore, what are the factors of 142?

**142** is a composite number. **Factor**pairs:**142** = 1 x **142** or 2 x 71. **Factors of 142**:1, 2,71, **142**. Prime factorization: **142** = 2x71.

Is 140 a composite number?

No, **140** is not a prime **number**, it isa**composite number**.