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What is the Least Common Multiple of 31189 and 31208?

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 31189 and 31208 is 973346312.

LCM(31189,31208) = 973346312

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Least Common Multiple of 31189 and 31208 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31189 and 31208, than apply into the LCM equation.

GCF(31189,31208) = 1
LCM(31189,31208) = ( 31189 × 31208) / 1
LCM(31189,31208) = 973346312 / 1
LCM(31189,31208) = 973346312

Least Common Multiple (LCM) of 31189 and 31208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31189 and 31208. First we will calculate the prime factors of 31189 and 31208.

Prime Factorization of 31189

Prime factors of 31189 are 31189. Prime factorization of 31189 in exponential form is:

31189 = 311891

Prime Factorization of 31208

Prime factors of 31208 are 2, 47, 83. Prime factorization of 31208 in exponential form is:

31208 = 23 × 471 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 31189 and 31208.

LCM(31189,31208) = 311891 × 23 × 471 × 831
LCM(31189,31208) = 973346312