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What is the Least Common Multiple of 20074 and 20081?

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 20074 and 20081 is 403105994.

LCM(20074,20081) = 403105994

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Least Common Multiple of 20074 and 20081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20074 and 20081, than apply into the LCM equation.

GCF(20074,20081) = 1
LCM(20074,20081) = ( 20074 × 20081) / 1
LCM(20074,20081) = 403105994 / 1
LCM(20074,20081) = 403105994

Least Common Multiple (LCM) of 20074 and 20081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20074 and 20081. First we will calculate the prime factors of 20074 and 20081.

Prime Factorization of 20074

Prime factors of 20074 are 2, 10037. Prime factorization of 20074 in exponential form is:

20074 = 21 × 100371

Prime Factorization of 20081

Prime factors of 20081 are 43, 467. Prime factorization of 20081 in exponential form is:

20081 = 431 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 20074 and 20081.

LCM(20074,20081) = 21 × 100371 × 431 × 4671
LCM(20074,20081) = 403105994