What is the Least Common Multiple of 74781 and 74799?

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 74781 and 74799 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74781 and 74799, than apply into the LCM equation.

GCF(74781,74799) = 9
LCM(74781,74799) = ( 74781 × 74799) / 9
LCM(74781,74799) = 5593544019 / 9
LCM(74781,74799) = 621504891

Least Common Multiple (LCM) of 74781 and 74799 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74781 and 74799. First we will calculate the prime factors of 74781 and 74799.

Prime Factorization of 74781

Prime Factorization of 74799

Now multiplying the highest exponent prime factors to calculate the LCM of 74781 and 74799.

LCM(74781,74799) = 3² × 7¹ × 1187¹ × 8311¹
LCM(74781,74799) = 621504891