# What is the Least Common Multiple of 41 and 61?

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 61 is 2501.

LCM(41,61) = 2501

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## Least Common Multiple of 41 and 61 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 61, than apply into the LCM equation.

GCF(41,61) = 1
LCM(41,61) = ( 41 × 61) / 1
LCM(41,61) = 2501 / 1
LCM(41,61) = 2501

## Least Common Multiple (LCM) of 41 and 61 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41 and 61. First we will calculate the prime factors of 41 and 61.

### Prime Factorization of 41

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

41 = 411

### Prime Factorization of 61

Prime factors of 61 are 61. Prime factorization of 61 in exponential form is:

61 = 611

Now multiplying the highest exponent prime factors to calculate the LCM of 41 and 61.

LCM(41,61) = 411 × 611
LCM(41,61) = 2501