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What is the Least Common Multiple of 68280 and 68294?

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 68280 and 68294 is 2331557160.

LCM(68280,68294) = 2331557160

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Least Common Multiple of 68280 and 68294 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68280 and 68294, than apply into the LCM equation.

GCF(68280,68294) = 2
LCM(68280,68294) = ( 68280 × 68294) / 2
LCM(68280,68294) = 4663114320 / 2
LCM(68280,68294) = 2331557160

Least Common Multiple (LCM) of 68280 and 68294 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68280 and 68294. First we will calculate the prime factors of 68280 and 68294.

Prime Factorization of 68280

Prime factors of 68280 are 2, 3, 5, 569. Prime factorization of 68280 in exponential form is:

68280 = 23 × 31 × 51 × 5691

Prime Factorization of 68294

Prime factors of 68294 are 2, 34147. Prime factorization of 68294 in exponential form is:

68294 = 21 × 341471

Now multiplying the highest exponent prime factors to calculate the LCM of 68280 and 68294.

LCM(68280,68294) = 23 × 31 × 51 × 5691 × 341471
LCM(68280,68294) = 2331557160