# What is the Least Common Multiple of 151 and 160?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 151 and 160 is 24160.

LCM(151,160) = 24160

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## Least Common Multiple of 151 and 160 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 151 and 160, than apply into the LCM equation.

GCF(151,160) = 1
LCM(151,160) = ( 151 × 160) / 1
LCM(151,160) = 24160 / 1
LCM(151,160) = 24160

## Least Common Multiple (LCM) of 151 and 160 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 151 and 160. First we will calculate the prime factors of 151 and 160.

### Prime Factorization of 151

Prime factors of 151 are 151. Prime factorization of 151 in exponential form is:

151 = 1511

### Prime Factorization of 160

Prime factors of 160 are 2, 5. Prime factorization of 160 in exponential form is:

160 = 25 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 151 and 160.

LCM(151,160) = 1511 × 25 × 51
LCM(151,160) = 24160