What is the Least Common Multiple of 6210 and 6218?

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 6210 and 6218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6210 and 6218, than apply into the LCM equation.

GCF(6210,6218) = 2
LCM(6210,6218) = ( 6210 × 6218) / 2
LCM(6210,6218) = 38613780 / 2
LCM(6210,6218) = 19306890

Least Common Multiple (LCM) of 6210 and 6218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6210 and 6218. First we will calculate the prime factors of 6210 and 6218.

Prime Factorization of 6210

Prime Factorization of 6218

Now multiplying the highest exponent prime factors to calculate the LCM of 6210 and 6218.

LCM(6210,6218) = 2¹ × 3³ × 5¹ × 23¹ × 3109¹
LCM(6210,6218) = 19306890