GCF and LCM Calculator Logo

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 (LCM) of 91938 and 91956 is 1409041788.

LCM(91938,91956) = 1409041788

LCM Calculator and
and

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 factors of 91938 are 2, 3, 7, 11, 199. Prime factorization of 91938 in exponential form is:

91938 = 21 × 31 × 71 × 111 × 1991

Prime Factorization of 91956

Prime factors of 91956 are 2, 3, 79, 97. Prime factorization of 91956 in exponential form is:

91956 = 22 × 31 × 791 × 971

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