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What is the Least Common Multiple of 11641 and 11647?

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 11641 and 11647 is 135582727.

LCM(11641,11647) = 135582727

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Least Common Multiple of 11641 and 11647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11641 and 11647, than apply into the LCM equation.

GCF(11641,11647) = 1
LCM(11641,11647) = ( 11641 × 11647) / 1
LCM(11641,11647) = 135582727 / 1
LCM(11641,11647) = 135582727

Least Common Multiple (LCM) of 11641 and 11647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11641 and 11647. First we will calculate the prime factors of 11641 and 11647.

Prime Factorization of 11641

Prime factors of 11641 are 7, 1663. Prime factorization of 11641 in exponential form is:

11641 = 71 × 16631

Prime Factorization of 11647

Prime factors of 11647 are 19, 613. Prime factorization of 11647 in exponential form is:

11647 = 191 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 11641 and 11647.

LCM(11641,11647) = 71 × 16631 × 191 × 6131
LCM(11641,11647) = 135582727