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What is the Least Common Multiple of 86621 and 86641?

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 86621 and 86641 is 7504930061.

LCM(86621,86641) = 7504930061

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Least Common Multiple of 86621 and 86641 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86621 and 86641, than apply into the LCM equation.

GCF(86621,86641) = 1
LCM(86621,86641) = ( 86621 × 86641) / 1
LCM(86621,86641) = 7504930061 / 1
LCM(86621,86641) = 7504930061

Least Common Multiple (LCM) of 86621 and 86641 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86621 and 86641. First we will calculate the prime factors of 86621 and 86641.

Prime Factorization of 86621

Prime factors of 86621 are 19, 47, 97. Prime factorization of 86621 in exponential form is:

86621 = 191 × 471 × 971

Prime Factorization of 86641

Prime factors of 86641 are 23, 3767. Prime factorization of 86641 in exponential form is:

86641 = 231 × 37671

Now multiplying the highest exponent prime factors to calculate the LCM of 86621 and 86641.

LCM(86621,86641) = 191 × 471 × 971 × 231 × 37671
LCM(86621,86641) = 7504930061