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What is the Least Common Multiple of 4020 and 4027?

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 4020 and 4027 is 16188540.

LCM(4020,4027) = 16188540

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Least Common Multiple of 4020 and 4027 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4020 and 4027, than apply into the LCM equation.

GCF(4020,4027) = 1
LCM(4020,4027) = ( 4020 × 4027) / 1
LCM(4020,4027) = 16188540 / 1
LCM(4020,4027) = 16188540

Least Common Multiple (LCM) of 4020 and 4027 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4020 and 4027. First we will calculate the prime factors of 4020 and 4027.

Prime Factorization of 4020

Prime factors of 4020 are 2, 3, 5, 67. Prime factorization of 4020 in exponential form is:

4020 = 22 × 31 × 51 × 671

Prime Factorization of 4027

Prime factors of 4027 are 4027. Prime factorization of 4027 in exponential form is:

4027 = 40271

Now multiplying the highest exponent prime factors to calculate the LCM of 4020 and 4027.

LCM(4020,4027) = 22 × 31 × 51 × 671 × 40271
LCM(4020,4027) = 16188540