What is the Least Common Multiple of 55390 and 55397?

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 55390 and 55397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55390 and 55397, than apply into the LCM equation.

GCF(55390,55397) = 1
LCM(55390,55397) = ( 55390 × 55397) / 1
LCM(55390,55397) = 3068439830 / 1
LCM(55390,55397) = 3068439830

Least Common Multiple (LCM) of 55390 and 55397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55390 and 55397. First we will calculate the prime factors of 55390 and 55397.

Prime Factorization of 55390

Prime Factorization of 55397

Now multiplying the highest exponent prime factors to calculate the LCM of 55390 and 55397.

LCM(55390,55397) = 2¹ × 5¹ × 29¹ × 191¹ × 31¹ × 1787¹
LCM(55390,55397) = 3068439830