What is the Least Common Multiple of 27958 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 of 27958 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 27958 and 27968, than apply into the LCM equation.

GCF(27958,27968) = 2
LCM(27958,27968) = ( 27958 × 27968) / 2
LCM(27958,27968) = 781929344 / 2
LCM(27958,27968) = 390964672

Least Common Multiple (LCM) of 27958 and 27968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27958 and 27968. First we will calculate the prime factors of 27958 and 27968.

Prime Factorization of 27958

Prime Factorization of 27968

Now multiplying the highest exponent prime factors to calculate the LCM of 27958 and 27968.

LCM(27958,27968) = 2⁶ × 7¹ × 1997¹ × 19¹ × 23¹
LCM(27958,27968) = 390964672