What is the Least Common Multiple of 51478 and 51485?

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 51478 and 51485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51478 and 51485, than apply into the LCM equation.

GCF(51478,51485) = 7
LCM(51478,51485) = ( 51478 × 51485) / 7
LCM(51478,51485) = 2650344830 / 7
LCM(51478,51485) = 378620690

Least Common Multiple (LCM) of 51478 and 51485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51478 and 51485. First we will calculate the prime factors of 51478 and 51485.

Prime Factorization of 51478

Prime Factorization of 51485

Now multiplying the highest exponent prime factors to calculate the LCM of 51478 and 51485.

LCM(51478,51485) = 2¹ × 7¹ × 3677¹ × 5¹ × 1471¹
LCM(51478,51485) = 378620690