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What is the Least Common Multiple of 67280 and 67294?

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 67280 and 67294 is 2263770160.

LCM(67280,67294) = 2263770160

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Least Common Multiple of 67280 and 67294 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67280 and 67294, than apply into the LCM equation.

GCF(67280,67294) = 2
LCM(67280,67294) = ( 67280 × 67294) / 2
LCM(67280,67294) = 4527540320 / 2
LCM(67280,67294) = 2263770160

Least Common Multiple (LCM) of 67280 and 67294 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67280 and 67294. First we will calculate the prime factors of 67280 and 67294.

Prime Factorization of 67280

Prime factors of 67280 are 2, 5, 29. Prime factorization of 67280 in exponential form is:

67280 = 24 × 51 × 292

Prime Factorization of 67294

Prime factors of 67294 are 2, 33647. Prime factorization of 67294 in exponential form is:

67294 = 21 × 336471

Now multiplying the highest exponent prime factors to calculate the LCM of 67280 and 67294.

LCM(67280,67294) = 24 × 51 × 292 × 336471
LCM(67280,67294) = 2263770160