What is the Least Common Multiple of 91938 and 91956?

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 91938 and 91956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91938 and 91956, than apply into the LCM equation.

GCF(91938,91956) = 6
LCM(91938,91956) = ( 91938 × 91956) / 6
LCM(91938,91956) = 8454250728 / 6
LCM(91938,91956) = 1409041788

Least Common Multiple (LCM) of 91938 and 91956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91938 and 91956. First we will calculate the prime factors of 91938 and 91956.

Prime Factorization of 91938

Prime Factorization of 91956

Now multiplying the highest exponent prime factors to calculate the LCM of 91938 and 91956.

LCM(91938,91956) = 2² × 3¹ × 7¹ × 11¹ × 199¹ × 79¹ × 97¹
LCM(91938,91956) = 1409041788