What is the Least Common Multiple of 5478 and 5485?

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 5478 and 5485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5478 and 5485, than apply into the LCM equation.

GCF(5478,5485) = 1
LCM(5478,5485) = ( 5478 × 5485) / 1
LCM(5478,5485) = 30046830 / 1
LCM(5478,5485) = 30046830

Least Common Multiple (LCM) of 5478 and 5485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5478 and 5485. First we will calculate the prime factors of 5478 and 5485.

Prime Factorization of 5478

Prime Factorization of 5485

Now multiplying the highest exponent prime factors to calculate the LCM of 5478 and 5485.

LCM(5478,5485) = 2¹ × 3¹ × 11¹ × 83¹ × 5¹ × 1097¹
LCM(5478,5485) = 30046830