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What is the Least Common Multiple of 31641 and 31650?

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 31641 and 31650 is 333812550.

LCM(31641,31650) = 333812550

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Least Common Multiple of 31641 and 31650 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31641 and 31650, than apply into the LCM equation.

GCF(31641,31650) = 3
LCM(31641,31650) = ( 31641 × 31650) / 3
LCM(31641,31650) = 1001437650 / 3
LCM(31641,31650) = 333812550

Least Common Multiple (LCM) of 31641 and 31650 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31641 and 31650. First we will calculate the prime factors of 31641 and 31650.

Prime Factorization of 31641

Prime factors of 31641 are 3, 53, 199. Prime factorization of 31641 in exponential form is:

31641 = 31 × 531 × 1991

Prime Factorization of 31650

Prime factors of 31650 are 2, 3, 5, 211. Prime factorization of 31650 in exponential form is:

31650 = 21 × 31 × 52 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 31641 and 31650.

LCM(31641,31650) = 31 × 531 × 1991 × 21 × 52 × 2111
LCM(31641,31650) = 333812550