What is the Least Common Multiple of 6345 and 6355?

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 6345 and 6355 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6345 and 6355, than apply into the LCM equation.

GCF(6345,6355) = 5
LCM(6345,6355) = ( 6345 × 6355) / 5
LCM(6345,6355) = 40322475 / 5
LCM(6345,6355) = 8064495

Least Common Multiple (LCM) of 6345 and 6355 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6345 and 6355. First we will calculate the prime factors of 6345 and 6355.

Prime Factorization of 6345

Prime Factorization of 6355

Now multiplying the highest exponent prime factors to calculate the LCM of 6345 and 6355.

LCM(6345,6355) = 3³ × 5¹ × 47¹ × 31¹ × 41¹
LCM(6345,6355) = 8064495