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What is the Least Common Multiple of 2968 and 2988?

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 2968 and 2988 is 2217096.

LCM(2968,2988) = 2217096

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Least Common Multiple of 2968 and 2988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2968 and 2988, than apply into the LCM equation.

GCF(2968,2988) = 4
LCM(2968,2988) = ( 2968 × 2988) / 4
LCM(2968,2988) = 8868384 / 4
LCM(2968,2988) = 2217096

Least Common Multiple (LCM) of 2968 and 2988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2968 and 2988. First we will calculate the prime factors of 2968 and 2988.

Prime Factorization of 2968

Prime factors of 2968 are 2, 7, 53. Prime factorization of 2968 in exponential form is:

2968 = 23 × 71 × 531

Prime Factorization of 2988

Prime factors of 2988 are 2, 3, 83. Prime factorization of 2988 in exponential form is:

2988 = 22 × 32 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 2968 and 2988.

LCM(2968,2988) = 23 × 71 × 531 × 32 × 831
LCM(2968,2988) = 2217096