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What is the Least Common Multiple of 11661 and 11672?

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 11661 and 11672 is 136107192.

LCM(11661,11672) = 136107192

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Least Common Multiple of 11661 and 11672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11661 and 11672, than apply into the LCM equation.

GCF(11661,11672) = 1
LCM(11661,11672) = ( 11661 × 11672) / 1
LCM(11661,11672) = 136107192 / 1
LCM(11661,11672) = 136107192

Least Common Multiple (LCM) of 11661 and 11672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11661 and 11672. First we will calculate the prime factors of 11661 and 11672.

Prime Factorization of 11661

Prime factors of 11661 are 3, 13, 23. Prime factorization of 11661 in exponential form is:

11661 = 31 × 132 × 231

Prime Factorization of 11672

Prime factors of 11672 are 2, 1459. Prime factorization of 11672 in exponential form is:

11672 = 23 × 14591

Now multiplying the highest exponent prime factors to calculate the LCM of 11661 and 11672.

LCM(11661,11672) = 31 × 132 × 231 × 23 × 14591
LCM(11661,11672) = 136107192