What is the Least Common Multiple of 67946 and 67964?

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 67946 and 67964 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67946 and 67964, than apply into the LCM equation.

GCF(67946,67964) = 2
LCM(67946,67964) = ( 67946 × 67964) / 2
LCM(67946,67964) = 4617881944 / 2
LCM(67946,67964) = 2308940972

Least Common Multiple (LCM) of 67946 and 67964 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67946 and 67964. First we will calculate the prime factors of 67946 and 67964.

Prime Factorization of 67946

Prime Factorization of 67964

Now multiplying the highest exponent prime factors to calculate the LCM of 67946 and 67964.

LCM(67946,67964) = 2² × 53¹ × 641¹ × 13¹ × 1307¹
LCM(67946,67964) = 2308940972