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What is the Least Common Multiple of 3172 and 3191?

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 3172 and 3191 is 10121852.

LCM(3172,3191) = 10121852

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Least Common Multiple of 3172 and 3191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3172 and 3191, than apply into the LCM equation.

GCF(3172,3191) = 1
LCM(3172,3191) = ( 3172 × 3191) / 1
LCM(3172,3191) = 10121852 / 1
LCM(3172,3191) = 10121852

Least Common Multiple (LCM) of 3172 and 3191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3172 and 3191. First we will calculate the prime factors of 3172 and 3191.

Prime Factorization of 3172

Prime factors of 3172 are 2, 13, 61. Prime factorization of 3172 in exponential form is:

3172 = 22 × 131 × 611

Prime Factorization of 3191

Prime factors of 3191 are 3191. Prime factorization of 3191 in exponential form is:

3191 = 31911

Now multiplying the highest exponent prime factors to calculate the LCM of 3172 and 3191.

LCM(3172,3191) = 22 × 131 × 611 × 31911
LCM(3172,3191) = 10121852