# What is the Least Common Multiple of 139 and 148?

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 139 and 148 is 20572.

LCM(139,148) = 20572

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## Least Common Multiple of 139 and 148 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 139 and 148, than apply into the LCM equation.

GCF(139,148) = 1
LCM(139,148) = ( 139 × 148) / 1
LCM(139,148) = 20572 / 1
LCM(139,148) = 20572

## Least Common Multiple (LCM) of 139 and 148 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 139 and 148. First we will calculate the prime factors of 139 and 148.

### Prime Factorization of 139

Prime factors of 139 are 139. Prime factorization of 139 in exponential form is:

139 = 1391

### Prime Factorization of 148

Prime factors of 148 are 2, 37. Prime factorization of 148 in exponential form is:

148 = 22 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 139 and 148.

LCM(139,148) = 1391 × 22 × 371
LCM(139,148) = 20572