What is the Least Common Multiple of 19761 and 19767?

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 19761 and 19767 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19761 and 19767, than apply into the LCM equation.

GCF(19761,19767) = 3
LCM(19761,19767) = ( 19761 × 19767) / 3
LCM(19761,19767) = 390615687 / 3
LCM(19761,19767) = 130205229

Least Common Multiple (LCM) of 19761 and 19767 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19761 and 19767. First we will calculate the prime factors of 19761 and 19767.

Prime Factorization of 19761

Prime Factorization of 19767

Now multiplying the highest exponent prime factors to calculate the LCM of 19761 and 19767.

LCM(19761,19767) = 3¹ × 7¹ × 941¹ × 11¹ × 599¹
LCM(19761,19767) = 130205229