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What is the Least Common Multiple of 4661 and 4672?

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 4661 and 4672 is 21776192.

LCM(4661,4672) = 21776192

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Least Common Multiple of 4661 and 4672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4661 and 4672, than apply into the LCM equation.

GCF(4661,4672) = 1
LCM(4661,4672) = ( 4661 × 4672) / 1
LCM(4661,4672) = 21776192 / 1
LCM(4661,4672) = 21776192

Least Common Multiple (LCM) of 4661 and 4672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4661 and 4672. First we will calculate the prime factors of 4661 and 4672.

Prime Factorization of 4661

Prime factors of 4661 are 59, 79. Prime factorization of 4661 in exponential form is:

4661 = 591 × 791

Prime Factorization of 4672

Prime factors of 4672 are 2, 73. Prime factorization of 4672 in exponential form is:

4672 = 26 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 4661 and 4672.

LCM(4661,4672) = 591 × 791 × 26 × 731
LCM(4661,4672) = 21776192