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What is the Least Common Multiple of 68142 and 68151?

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 68142 and 68151 is 1547981814.

LCM(68142,68151) = 1547981814

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Least Common Multiple of 68142 and 68151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68142 and 68151, than apply into the LCM equation.

GCF(68142,68151) = 3
LCM(68142,68151) = ( 68142 × 68151) / 3
LCM(68142,68151) = 4643945442 / 3
LCM(68142,68151) = 1547981814

Least Common Multiple (LCM) of 68142 and 68151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68142 and 68151. First we will calculate the prime factors of 68142 and 68151.

Prime Factorization of 68142

Prime factors of 68142 are 2, 3, 41, 277. Prime factorization of 68142 in exponential form is:

68142 = 21 × 31 × 411 × 2771

Prime Factorization of 68151

Prime factors of 68151 are 3, 22717. Prime factorization of 68151 in exponential form is:

68151 = 31 × 227171

Now multiplying the highest exponent prime factors to calculate the LCM of 68142 and 68151.

LCM(68142,68151) = 21 × 31 × 411 × 2771 × 227171
LCM(68142,68151) = 1547981814