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What is the Least Common Multiple of 68493 and 68512?

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 68493 and 68512 is 4692592416.

LCM(68493,68512) = 4692592416

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Least Common Multiple of 68493 and 68512 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68493 and 68512, than apply into the LCM equation.

GCF(68493,68512) = 1
LCM(68493,68512) = ( 68493 × 68512) / 1
LCM(68493,68512) = 4692592416 / 1
LCM(68493,68512) = 4692592416

Least Common Multiple (LCM) of 68493 and 68512 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68493 and 68512. First we will calculate the prime factors of 68493 and 68512.

Prime Factorization of 68493

Prime factors of 68493 are 3, 17, 79. Prime factorization of 68493 in exponential form is:

68493 = 31 × 172 × 791

Prime Factorization of 68512

Prime factors of 68512 are 2, 2141. Prime factorization of 68512 in exponential form is:

68512 = 25 × 21411

Now multiplying the highest exponent prime factors to calculate the LCM of 68493 and 68512.

LCM(68493,68512) = 31 × 172 × 791 × 25 × 21411
LCM(68493,68512) = 4692592416