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What is the Least Common Multiple of 85172 and 85191?

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 85172 and 85191 is 7255887852.

LCM(85172,85191) = 7255887852

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Least Common Multiple of 85172 and 85191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85172 and 85191, than apply into the LCM equation.

GCF(85172,85191) = 1
LCM(85172,85191) = ( 85172 × 85191) / 1
LCM(85172,85191) = 7255887852 / 1
LCM(85172,85191) = 7255887852

Least Common Multiple (LCM) of 85172 and 85191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85172 and 85191. First we will calculate the prime factors of 85172 and 85191.

Prime Factorization of 85172

Prime factors of 85172 are 2, 107, 199. Prime factorization of 85172 in exponential form is:

85172 = 22 × 1071 × 1991

Prime Factorization of 85191

Prime factors of 85191 are 3, 73, 389. Prime factorization of 85191 in exponential form is:

85191 = 31 × 731 × 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 85172 and 85191.

LCM(85172,85191) = 22 × 1071 × 1991 × 31 × 731 × 3891
LCM(85172,85191) = 7255887852