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What is the Least Common Multiple of 87621 and 87641?

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 87621 and 87641 is 7679192061.

LCM(87621,87641) = 7679192061

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Least Common Multiple of 87621 and 87641 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87621 and 87641, than apply into the LCM equation.

GCF(87621,87641) = 1
LCM(87621,87641) = ( 87621 × 87641) / 1
LCM(87621,87641) = 7679192061 / 1
LCM(87621,87641) = 7679192061

Least Common Multiple (LCM) of 87621 and 87641 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87621 and 87641. First we will calculate the prime factors of 87621 and 87641.

Prime Factorization of 87621

Prime factors of 87621 are 3, 29207. Prime factorization of 87621 in exponential form is:

87621 = 31 × 292071

Prime Factorization of 87641

Prime factors of 87641 are 87641. Prime factorization of 87641 in exponential form is:

87641 = 876411

Now multiplying the highest exponent prime factors to calculate the LCM of 87621 and 87641.

LCM(87621,87641) = 31 × 292071 × 876411
LCM(87621,87641) = 7679192061