What is the Least Common Multiple of 19521 and 19541?

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 19521 and 19541 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19521 and 19541, than apply into the LCM equation.

GCF(19521,19541) = 1
LCM(19521,19541) = ( 19521 × 19541) / 1
LCM(19521,19541) = 381459861 / 1
LCM(19521,19541) = 381459861

Least Common Multiple (LCM) of 19521 and 19541 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19521 and 19541. First we will calculate the prime factors of 19521 and 19541.

Prime Factorization of 19521

Prime Factorization of 19541

Now multiplying the highest exponent prime factors to calculate the LCM of 19521 and 19541.

LCM(19521,19541) = 3⁴ × 241¹ × 19541¹
LCM(19521,19541) = 381459861