What is the Least Common Multiple of 67971 and 67975?

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 67971 and 67975 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67971 and 67975, than apply into the LCM equation.

GCF(67971,67975) = 1
LCM(67971,67975) = ( 67971 × 67975) / 1
LCM(67971,67975) = 4620328725 / 1
LCM(67971,67975) = 4620328725

Least Common Multiple (LCM) of 67971 and 67975 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67971 and 67975. First we will calculate the prime factors of 67971 and 67975.

Prime Factorization of 67971

Prime Factorization of 67975

Now multiplying the highest exponent prime factors to calculate the LCM of 67971 and 67975.

LCM(67971,67975) = 3¹ × 139¹ × 163¹ × 5² × 2719¹
LCM(67971,67975) = 4620328725