What is the Least Common Multiple of 5390 and 5406?

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 5390 and 5406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5390 and 5406, than apply into the LCM equation.

GCF(5390,5406) = 2
LCM(5390,5406) = ( 5390 × 5406) / 2
LCM(5390,5406) = 29138340 / 2
LCM(5390,5406) = 14569170

Least Common Multiple (LCM) of 5390 and 5406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5390 and 5406. First we will calculate the prime factors of 5390 and 5406.

Prime Factorization of 5390

Prime Factorization of 5406

Now multiplying the highest exponent prime factors to calculate the LCM of 5390 and 5406.

LCM(5390,5406) = 2¹ × 5¹ × 7² × 11¹ × 3¹ × 17¹ × 53¹
LCM(5390,5406) = 14569170