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What is the Least Common Multiple of 9968 and 9982?

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 9982 is 7107184.

LCM(9968,9982) = 7107184

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Least Common Multiple of 9968 and 9982 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 9982, than apply into the LCM equation.

GCF(9968,9982) = 14
LCM(9968,9982) = ( 9968 × 9982) / 14
LCM(9968,9982) = 99500576 / 14
LCM(9968,9982) = 7107184

Least Common Multiple (LCM) of 9968 and 9982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9968 and 9982. First we will calculate the prime factors of 9968 and 9982.

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 9982

Prime factors of 9982 are 2, 7, 23, 31. Prime factorization of 9982 in exponential form is:

9982 = 21 × 71 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 9968 and 9982.

LCM(9968,9982) = 24 × 71 × 891 × 231 × 311
LCM(9968,9982) = 7107184