# What is the Least Common Multiple of 41 and 57?

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 41 and 57 is 2337.

LCM(41,57) = 2337

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## Least Common Multiple of 41 and 57 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41 and 57, than apply into the LCM equation.

GCF(41,57) = 1
LCM(41,57) = ( 41 × 57) / 1
LCM(41,57) = 2337 / 1
LCM(41,57) = 2337

## Least Common Multiple (LCM) of 41 and 57 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41 and 57. First we will calculate the prime factors of 41 and 57.

### Prime Factorization of 41

Prime factors of 41 are 41. Prime factorization of 41 in exponential form is:

41 = 411

### Prime Factorization of 57

Prime factors of 57 are 3, 19. Prime factorization of 57 in exponential form is:

57 = 31 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 41 and 57.

LCM(41,57) = 411 × 31 × 191
LCM(41,57) = 2337