What is the Least Common Multiple of 91221 and 91236?

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 91221 and 91236 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91221 and 91236, than apply into the LCM equation.

GCF(91221,91236) = 3
LCM(91221,91236) = ( 91221 × 91236) / 3
LCM(91221,91236) = 8322639156 / 3
LCM(91221,91236) = 2774213052

Least Common Multiple (LCM) of 91221 and 91236 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91221 and 91236. First we will calculate the prime factors of 91221 and 91236.

Prime Factorization of 91221

Prime Factorization of 91236

Now multiplying the highest exponent prime factors to calculate the LCM of 91221 and 91236.

LCM(91221,91236) = 3¹ × 13¹ × 2339¹ × 2² × 7603¹
LCM(91221,91236) = 2774213052