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What is the Least Common Multiple of 68115 and 68135?

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 68115 and 68135 is 928203105.

LCM(68115,68135) = 928203105

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Least Common Multiple of 68115 and 68135 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68115 and 68135, than apply into the LCM equation.

GCF(68115,68135) = 5
LCM(68115,68135) = ( 68115 × 68135) / 5
LCM(68115,68135) = 4641015525 / 5
LCM(68115,68135) = 928203105

Least Common Multiple (LCM) of 68115 and 68135 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68115 and 68135. First we will calculate the prime factors of 68115 and 68135.

Prime Factorization of 68115

Prime factors of 68115 are 3, 5, 19, 239. Prime factorization of 68115 in exponential form is:

68115 = 31 × 51 × 191 × 2391

Prime Factorization of 68135

Prime factors of 68135 are 5, 13627. Prime factorization of 68135 in exponential form is:

68135 = 51 × 136271

Now multiplying the highest exponent prime factors to calculate the LCM of 68115 and 68135.

LCM(68115,68135) = 31 × 51 × 191 × 2391 × 136271
LCM(68115,68135) = 928203105