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What is the Least Common Multiple of 11961 and 11968?

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 11961 and 11968 is 143149248.

LCM(11961,11968) = 143149248

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Least Common Multiple of 11961 and 11968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11961 and 11968, than apply into the LCM equation.

GCF(11961,11968) = 1
LCM(11961,11968) = ( 11961 × 11968) / 1
LCM(11961,11968) = 143149248 / 1
LCM(11961,11968) = 143149248

Least Common Multiple (LCM) of 11961 and 11968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11961 and 11968. First we will calculate the prime factors of 11961 and 11968.

Prime Factorization of 11961

Prime factors of 11961 are 3, 443. Prime factorization of 11961 in exponential form is:

11961 = 33 × 4431

Prime Factorization of 11968

Prime factors of 11968 are 2, 11, 17. Prime factorization of 11968 in exponential form is:

11968 = 26 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 11961 and 11968.

LCM(11961,11968) = 33 × 4431 × 26 × 111 × 171
LCM(11961,11968) = 143149248