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What is the Least Common Multiple of 9968 and 9976?

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 9968 and 9976 is 12430096.

LCM(9968,9976) = 12430096

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Least Common Multiple of 9968 and 9976 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9968 and 9976, than apply into the LCM equation.

GCF(9968,9976) = 8
LCM(9968,9976) = ( 9968 × 9976) / 8
LCM(9968,9976) = 99440768 / 8
LCM(9968,9976) = 12430096

Least Common Multiple (LCM) of 9968 and 9976 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9968 and 9976. First we will calculate the prime factors of 9968 and 9976.

Prime Factorization of 9968

Prime factors of 9968 are 2, 7, 89. Prime factorization of 9968 in exponential form is:

9968 = 24 × 71 × 891

Prime Factorization of 9976

Prime factors of 9976 are 2, 29, 43. Prime factorization of 9976 in exponential form is:

9976 = 23 × 291 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 9968 and 9976.

LCM(9968,9976) = 24 × 71 × 891 × 291 × 431
LCM(9968,9976) = 12430096