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What is the Least Common Multiple of 2981 and 2994?

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 2981 and 2994 is 8925114.

LCM(2981,2994) = 8925114

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Least Common Multiple of 2981 and 2994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2981 and 2994, than apply into the LCM equation.

GCF(2981,2994) = 1
LCM(2981,2994) = ( 2981 × 2994) / 1
LCM(2981,2994) = 8925114 / 1
LCM(2981,2994) = 8925114

Least Common Multiple (LCM) of 2981 and 2994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2981 and 2994. First we will calculate the prime factors of 2981 and 2994.

Prime Factorization of 2981

Prime factors of 2981 are 11, 271. Prime factorization of 2981 in exponential form is:

2981 = 111 × 2711

Prime Factorization of 2994

Prime factors of 2994 are 2, 3, 499. Prime factorization of 2994 in exponential form is:

2994 = 21 × 31 × 4991

Now multiplying the highest exponent prime factors to calculate the LCM of 2981 and 2994.

LCM(2981,2994) = 111 × 2711 × 21 × 31 × 4991
LCM(2981,2994) = 8925114