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What is the Least Common Multiple of 39800 and 39811?

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 39800 and 39811 is 1584477800.

LCM(39800,39811) = 1584477800

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Least Common Multiple of 39800 and 39811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39800 and 39811, than apply into the LCM equation.

GCF(39800,39811) = 1
LCM(39800,39811) = ( 39800 × 39811) / 1
LCM(39800,39811) = 1584477800 / 1
LCM(39800,39811) = 1584477800

Least Common Multiple (LCM) of 39800 and 39811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39800 and 39811. First we will calculate the prime factors of 39800 and 39811.

Prime Factorization of 39800

Prime factors of 39800 are 2, 5, 199. Prime factorization of 39800 in exponential form is:

39800 = 23 × 52 × 1991

Prime Factorization of 39811

Prime factors of 39811 are 41, 971. Prime factorization of 39811 in exponential form is:

39811 = 411 × 9711

Now multiplying the highest exponent prime factors to calculate the LCM of 39800 and 39811.

LCM(39800,39811) = 23 × 52 × 1991 × 411 × 9711
LCM(39800,39811) = 1584477800