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What is the Least Common Multiple of 27960 and 27968?

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 27960 and 27968 is 97748160.

LCM(27960,27968) = 97748160

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Least Common Multiple of 27960 and 27968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27960 and 27968, than apply into the LCM equation.

GCF(27960,27968) = 8
LCM(27960,27968) = ( 27960 × 27968) / 8
LCM(27960,27968) = 781985280 / 8
LCM(27960,27968) = 97748160

Least Common Multiple (LCM) of 27960 and 27968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27960 and 27968. First we will calculate the prime factors of 27960 and 27968.

Prime Factorization of 27960

Prime factors of 27960 are 2, 3, 5, 233. Prime factorization of 27960 in exponential form is:

27960 = 23 × 31 × 51 × 2331

Prime Factorization of 27968

Prime factors of 27968 are 2, 19, 23. Prime factorization of 27968 in exponential form is:

27968 = 26 × 191 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 27960 and 27968.

LCM(27960,27968) = 26 × 31 × 51 × 2331 × 191 × 231
LCM(27960,27968) = 97748160