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What is the Least Common Multiple of 72657 and 72668?

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 72657 and 72668 is 5279838876.

LCM(72657,72668) = 5279838876

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Least Common Multiple of 72657 and 72668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72657 and 72668, than apply into the LCM equation.

GCF(72657,72668) = 1
LCM(72657,72668) = ( 72657 × 72668) / 1
LCM(72657,72668) = 5279838876 / 1
LCM(72657,72668) = 5279838876

Least Common Multiple (LCM) of 72657 and 72668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72657 and 72668. First we will calculate the prime factors of 72657 and 72668.

Prime Factorization of 72657

Prime factors of 72657 are 3, 13, 23. Prime factorization of 72657 in exponential form is:

72657 = 35 × 131 × 231

Prime Factorization of 72668

Prime factors of 72668 are 2, 37, 491. Prime factorization of 72668 in exponential form is:

72668 = 22 × 371 × 4911

Now multiplying the highest exponent prime factors to calculate the LCM of 72657 and 72668.

LCM(72657,72668) = 35 × 131 × 231 × 22 × 371 × 4911
LCM(72657,72668) = 5279838876