What is the Least Common Multiple of 6320 and 6340?

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 6320 and 6340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6320 and 6340, than apply into the LCM equation.

GCF(6320,6340) = 20
LCM(6320,6340) = ( 6320 × 6340) / 20
LCM(6320,6340) = 40068800 / 20
LCM(6320,6340) = 2003440

Least Common Multiple (LCM) of 6320 and 6340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6320 and 6340. First we will calculate the prime factors of 6320 and 6340.

Prime Factorization of 6320

Prime Factorization of 6340

Now multiplying the highest exponent prime factors to calculate the LCM of 6320 and 6340.

LCM(6320,6340) = 2⁴ × 5¹ × 79¹ × 317¹
LCM(6320,6340) = 2003440