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What is the Least Common Multiple of 68172 and 68191?

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 68172 and 68191 is 244669308.

LCM(68172,68191) = 244669308

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Least Common Multiple of 68172 and 68191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68172 and 68191, than apply into the LCM equation.

GCF(68172,68191) = 19
LCM(68172,68191) = ( 68172 × 68191) / 19
LCM(68172,68191) = 4648716852 / 19
LCM(68172,68191) = 244669308

Least Common Multiple (LCM) of 68172 and 68191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68172 and 68191. First we will calculate the prime factors of 68172 and 68191.

Prime Factorization of 68172

Prime factors of 68172 are 2, 3, 13, 19, 23. Prime factorization of 68172 in exponential form is:

68172 = 22 × 31 × 131 × 191 × 231

Prime Factorization of 68191

Prime factors of 68191 are 19, 37, 97. Prime factorization of 68191 in exponential form is:

68191 = 191 × 371 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 68172 and 68191.

LCM(68172,68191) = 22 × 31 × 131 × 191 × 231 × 371 × 971
LCM(68172,68191) = 244669308