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What is the Least Common Multiple of 72686 and 72694?

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 72686 and 72694 is 2641918042.

LCM(72686,72694) = 2641918042

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Least Common Multiple of 72686 and 72694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72686 and 72694, than apply into the LCM equation.

GCF(72686,72694) = 2
LCM(72686,72694) = ( 72686 × 72694) / 2
LCM(72686,72694) = 5283836084 / 2
LCM(72686,72694) = 2641918042

Least Common Multiple (LCM) of 72686 and 72694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72686 and 72694. First we will calculate the prime factors of 72686 and 72694.

Prime Factorization of 72686

Prime factors of 72686 are 2, 36343. Prime factorization of 72686 in exponential form is:

72686 = 21 × 363431

Prime Factorization of 72694

Prime factors of 72694 are 2, 19, 1913. Prime factorization of 72694 in exponential form is:

72694 = 21 × 191 × 19131

Now multiplying the highest exponent prime factors to calculate the LCM of 72686 and 72694.

LCM(72686,72694) = 21 × 363431 × 191 × 19131
LCM(72686,72694) = 2641918042