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What is the Least Common Multiple of 11961 and 11967?

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 11967 is 47712429.

LCM(11961,11967) = 47712429

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Least Common Multiple of 11961 and 11967 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 11967, than apply into the LCM equation.

GCF(11961,11967) = 3
LCM(11961,11967) = ( 11961 × 11967) / 3
LCM(11961,11967) = 143137287 / 3
LCM(11961,11967) = 47712429

Least Common Multiple (LCM) of 11961 and 11967 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11961 and 11967. First we will calculate the prime factors of 11961 and 11967.

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 11967

Prime factors of 11967 are 3, 3989. Prime factorization of 11967 in exponential form is:

11967 = 31 × 39891

Now multiplying the highest exponent prime factors to calculate the LCM of 11961 and 11967.

LCM(11961,11967) = 33 × 4431 × 39891
LCM(11961,11967) = 47712429