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What is the Least Common Multiple of 30992 and 31008?

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 30992 and 31008 is 60062496.

LCM(30992,31008) = 60062496

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Least Common Multiple of 30992 and 31008 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30992 and 31008, than apply into the LCM equation.

GCF(30992,31008) = 16
LCM(30992,31008) = ( 30992 × 31008) / 16
LCM(30992,31008) = 960999936 / 16
LCM(30992,31008) = 60062496

Least Common Multiple (LCM) of 30992 and 31008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30992 and 31008. First we will calculate the prime factors of 30992 and 31008.

Prime Factorization of 30992

Prime factors of 30992 are 2, 13, 149. Prime factorization of 30992 in exponential form is:

30992 = 24 × 131 × 1491

Prime Factorization of 31008

Prime factors of 31008 are 2, 3, 17, 19. Prime factorization of 31008 in exponential form is:

31008 = 25 × 31 × 171 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 30992 and 31008.

LCM(30992,31008) = 25 × 131 × 1491 × 31 × 171 × 191
LCM(30992,31008) = 60062496