What is the Least Common Multiple of 27958 and 27964?

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 27964 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 27964, than apply into the LCM equation.

GCF(27958,27964) = 2
LCM(27958,27964) = ( 27958 × 27964) / 2
LCM(27958,27964) = 781817512 / 2
LCM(27958,27964) = 390908756

Least Common Multiple (LCM) of 27958 and 27964 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27958 and 27964. First we will calculate the prime factors of 27958 and 27964.

Prime Factorization of 27958

Prime Factorization of 27964

Now multiplying the highest exponent prime factors to calculate the LCM of 27958 and 27964.

LCM(27958,27964) = 2² × 7¹ × 1997¹ × 6991¹
LCM(27958,27964) = 390908756