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What is the Least Common Multiple of 9771 and 9781?

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 9771 and 9781 is 95570151.

LCM(9771,9781) = 95570151

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Least Common Multiple of 9771 and 9781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9771 and 9781, than apply into the LCM equation.

GCF(9771,9781) = 1
LCM(9771,9781) = ( 9771 × 9781) / 1
LCM(9771,9781) = 95570151 / 1
LCM(9771,9781) = 95570151

Least Common Multiple (LCM) of 9771 and 9781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9771 and 9781. First we will calculate the prime factors of 9771 and 9781.

Prime Factorization of 9771

Prime factors of 9771 are 3, 3257. Prime factorization of 9771 in exponential form is:

9771 = 31 × 32571

Prime Factorization of 9781

Prime factors of 9781 are 9781. Prime factorization of 9781 in exponential form is:

9781 = 97811

Now multiplying the highest exponent prime factors to calculate the LCM of 9771 and 9781.

LCM(9771,9781) = 31 × 32571 × 97811
LCM(9771,9781) = 95570151