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What is the Least Common Multiple of 4631 and 4651?

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 4631 and 4651 is 21538781.

LCM(4631,4651) = 21538781

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Least Common Multiple of 4631 and 4651 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4631 and 4651, than apply into the LCM equation.

GCF(4631,4651) = 1
LCM(4631,4651) = ( 4631 × 4651) / 1
LCM(4631,4651) = 21538781 / 1
LCM(4631,4651) = 21538781

Least Common Multiple (LCM) of 4631 and 4651 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4631 and 4651. First we will calculate the prime factors of 4631 and 4651.

Prime Factorization of 4631

Prime factors of 4631 are 11, 421. Prime factorization of 4631 in exponential form is:

4631 = 111 × 4211

Prime Factorization of 4651

Prime factors of 4651 are 4651. Prime factorization of 4651 in exponential form is:

4651 = 46511

Now multiplying the highest exponent prime factors to calculate the LCM of 4631 and 4651.

LCM(4631,4651) = 111 × 4211 × 46511
LCM(4631,4651) = 21538781