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What is the Least Common Multiple of 72543 and 72550?

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 72543 and 72550 is 5262994650.

LCM(72543,72550) = 5262994650

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Least Common Multiple of 72543 and 72550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72543 and 72550, than apply into the LCM equation.

GCF(72543,72550) = 1
LCM(72543,72550) = ( 72543 × 72550) / 1
LCM(72543,72550) = 5262994650 / 1
LCM(72543,72550) = 5262994650

Least Common Multiple (LCM) of 72543 and 72550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72543 and 72550. First we will calculate the prime factors of 72543 and 72550.

Prime Factorization of 72543

Prime factors of 72543 are 3, 24181. Prime factorization of 72543 in exponential form is:

72543 = 31 × 241811

Prime Factorization of 72550

Prime factors of 72550 are 2, 5, 1451. Prime factorization of 72550 in exponential form is:

72550 = 21 × 52 × 14511

Now multiplying the highest exponent prime factors to calculate the LCM of 72543 and 72550.

LCM(72543,72550) = 31 × 241811 × 21 × 52 × 14511
LCM(72543,72550) = 5262994650