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What is the Least Common Multiple of 31955 and 31968?

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 31955 and 31968 is 1021537440.

LCM(31955,31968) = 1021537440

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Least Common Multiple of 31955 and 31968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31955 and 31968, than apply into the LCM equation.

GCF(31955,31968) = 1
LCM(31955,31968) = ( 31955 × 31968) / 1
LCM(31955,31968) = 1021537440 / 1
LCM(31955,31968) = 1021537440

Least Common Multiple (LCM) of 31955 and 31968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31955 and 31968. First we will calculate the prime factors of 31955 and 31968.

Prime Factorization of 31955

Prime factors of 31955 are 5, 7, 11, 83. Prime factorization of 31955 in exponential form is:

31955 = 51 × 71 × 111 × 831

Prime Factorization of 31968

Prime factors of 31968 are 2, 3, 37. Prime factorization of 31968 in exponential form is:

31968 = 25 × 33 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 31955 and 31968.

LCM(31955,31968) = 51 × 71 × 111 × 831 × 25 × 33 × 371
LCM(31955,31968) = 1021537440