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What is the Least Common Multiple of 81632 and 81651?

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 81632 and 81651 is 6665334432.

LCM(81632,81651) = 6665334432

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Least Common Multiple of 81632 and 81651 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81632 and 81651, than apply into the LCM equation.

GCF(81632,81651) = 1
LCM(81632,81651) = ( 81632 × 81651) / 1
LCM(81632,81651) = 6665334432 / 1
LCM(81632,81651) = 6665334432

Least Common Multiple (LCM) of 81632 and 81651 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81632 and 81651. First we will calculate the prime factors of 81632 and 81651.

Prime Factorization of 81632

Prime factors of 81632 are 2, 2551. Prime factorization of 81632 in exponential form is:

81632 = 25 × 25511

Prime Factorization of 81651

Prime factors of 81651 are 3, 17, 1601. Prime factorization of 81651 in exponential form is:

81651 = 31 × 171 × 16011

Now multiplying the highest exponent prime factors to calculate the LCM of 81632 and 81651.

LCM(81632,81651) = 25 × 25511 × 31 × 171 × 16011
LCM(81632,81651) = 6665334432