What is the Least Common Multiple of 57561 and 57581?

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 of 57561 and 57581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57561 and 57581, than apply into the LCM equation.

GCF(57561,57581) = 1
LCM(57561,57581) = ( 57561 × 57581) / 1
LCM(57561,57581) = 3314419941 / 1
LCM(57561,57581) = 3314419941

Least Common Multiple (LCM) of 57561 and 57581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57561 and 57581. First we will calculate the prime factors of 57561 and 57581.

Prime Factorization of 57561

Prime Factorization of 57581

Now multiplying the highest exponent prime factors to calculate the LCM of 57561 and 57581.

LCM(57561,57581) = 3¹ × 7¹ × 2741¹ × 71¹ × 811¹
LCM(57561,57581) = 3314419941