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What is the Least Common Multiple of 68075 and 68080?

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 68075 and 68080 is 926909200.

LCM(68075,68080) = 926909200

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Least Common Multiple of 68075 and 68080 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68075 and 68080, than apply into the LCM equation.

GCF(68075,68080) = 5
LCM(68075,68080) = ( 68075 × 68080) / 5
LCM(68075,68080) = 4634546000 / 5
LCM(68075,68080) = 926909200

Least Common Multiple (LCM) of 68075 and 68080 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68075 and 68080. First we will calculate the prime factors of 68075 and 68080.

Prime Factorization of 68075

Prime factors of 68075 are 5, 7, 389. Prime factorization of 68075 in exponential form is:

68075 = 52 × 71 × 3891

Prime Factorization of 68080

Prime factors of 68080 are 2, 5, 23, 37. Prime factorization of 68080 in exponential form is:

68080 = 24 × 51 × 231 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 68075 and 68080.

LCM(68075,68080) = 52 × 71 × 3891 × 24 × 231 × 371
LCM(68075,68080) = 926909200