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What is the Least Common Multiple of 68605 and 68612?

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 68605 and 68612 is 4707126260.

LCM(68605,68612) = 4707126260

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Least Common Multiple of 68605 and 68612 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68605 and 68612, than apply into the LCM equation.

GCF(68605,68612) = 1
LCM(68605,68612) = ( 68605 × 68612) / 1
LCM(68605,68612) = 4707126260 / 1
LCM(68605,68612) = 4707126260

Least Common Multiple (LCM) of 68605 and 68612 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68605 and 68612. First we will calculate the prime factors of 68605 and 68612.

Prime Factorization of 68605

Prime factors of 68605 are 5, 13721. Prime factorization of 68605 in exponential form is:

68605 = 51 × 137211

Prime Factorization of 68612

Prime factors of 68612 are 2, 17, 1009. Prime factorization of 68612 in exponential form is:

68612 = 22 × 171 × 10091

Now multiplying the highest exponent prime factors to calculate the LCM of 68605 and 68612.

LCM(68605,68612) = 51 × 137211 × 22 × 171 × 10091
LCM(68605,68612) = 4707126260