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What is the Least Common Multiple of 20600 and 20612?

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 20600 and 20612 is 106151800.

LCM(20600,20612) = 106151800

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Least Common Multiple of 20600 and 20612 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20600 and 20612, than apply into the LCM equation.

GCF(20600,20612) = 4
LCM(20600,20612) = ( 20600 × 20612) / 4
LCM(20600,20612) = 424607200 / 4
LCM(20600,20612) = 106151800

Least Common Multiple (LCM) of 20600 and 20612 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20600 and 20612. First we will calculate the prime factors of 20600 and 20612.

Prime Factorization of 20600

Prime factors of 20600 are 2, 5, 103. Prime factorization of 20600 in exponential form is:

20600 = 23 × 52 × 1031

Prime Factorization of 20612

Prime factors of 20612 are 2, 5153. Prime factorization of 20612 in exponential form is:

20612 = 22 × 51531

Now multiplying the highest exponent prime factors to calculate the LCM of 20600 and 20612.

LCM(20600,20612) = 23 × 52 × 1031 × 51531
LCM(20600,20612) = 106151800