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What is the Least Common Multiple of 11662 and 11681?

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 11662 and 11681 is 136223822.

LCM(11662,11681) = 136223822

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Least Common Multiple of 11662 and 11681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11662 and 11681, than apply into the LCM equation.

GCF(11662,11681) = 1
LCM(11662,11681) = ( 11662 × 11681) / 1
LCM(11662,11681) = 136223822 / 1
LCM(11662,11681) = 136223822

Least Common Multiple (LCM) of 11662 and 11681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11662 and 11681. First we will calculate the prime factors of 11662 and 11681.

Prime Factorization of 11662

Prime factors of 11662 are 2, 7, 17. Prime factorization of 11662 in exponential form is:

11662 = 21 × 73 × 171

Prime Factorization of 11681

Prime factors of 11681 are 11681. Prime factorization of 11681 in exponential form is:

11681 = 116811

Now multiplying the highest exponent prime factors to calculate the LCM of 11662 and 11681.

LCM(11662,11681) = 21 × 73 × 171 × 116811
LCM(11662,11681) = 136223822