What is the Least Common Multiple of 11921 and 11941?

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 11921 and 11941 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11921 and 11941, than apply into the LCM equation.

GCF(11921,11941) = 1
LCM(11921,11941) = ( 11921 × 11941) / 1
LCM(11921,11941) = 142348661 / 1
LCM(11921,11941) = 142348661

Least Common Multiple (LCM) of 11921 and 11941 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11921 and 11941. First we will calculate the prime factors of 11921 and 11941.

Prime Factorization of 11921

Prime Factorization of 11941

Now multiplying the highest exponent prime factors to calculate the LCM of 11921 and 11941.

LCM(11921,11941) = 7¹ × 13¹ × 131¹ × 11941¹
LCM(11921,11941) = 142348661