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What is the Least Common Multiple of 68800 and 68811?

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 68800 and 68811 is 4734196800.

LCM(68800,68811) = 4734196800

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Least Common Multiple of 68800 and 68811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68800 and 68811, than apply into the LCM equation.

GCF(68800,68811) = 1
LCM(68800,68811) = ( 68800 × 68811) / 1
LCM(68800,68811) = 4734196800 / 1
LCM(68800,68811) = 4734196800

Least Common Multiple (LCM) of 68800 and 68811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68800 and 68811. First we will calculate the prime factors of 68800 and 68811.

Prime Factorization of 68800

Prime factors of 68800 are 2, 5, 43. Prime factorization of 68800 in exponential form is:

68800 = 26 × 52 × 431

Prime Factorization of 68811

Prime factors of 68811 are 3, 22937. Prime factorization of 68811 in exponential form is:

68811 = 31 × 229371

Now multiplying the highest exponent prime factors to calculate the LCM of 68800 and 68811.

LCM(68800,68811) = 26 × 52 × 431 × 31 × 229371
LCM(68800,68811) = 4734196800