What is the Least Common Multiple of 30740 and 30758?

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 30740 and 30758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30740 and 30758, than apply into the LCM equation.

GCF(30740,30758) = 2
LCM(30740,30758) = ( 30740 × 30758) / 2
LCM(30740,30758) = 945500920 / 2
LCM(30740,30758) = 472750460

Least Common Multiple (LCM) of 30740 and 30758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30740 and 30758. First we will calculate the prime factors of 30740 and 30758.

Prime Factorization of 30740

Prime Factorization of 30758

Now multiplying the highest exponent prime factors to calculate the LCM of 30740 and 30758.

LCM(30740,30758) = 2² × 5¹ × 29¹ × 53¹ × 7¹ × 13³
LCM(30740,30758) = 472750460