What is the Least Common Multiple of 4642 and 4662?

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 4642 and 4662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4642 and 4662, than apply into the LCM equation.

GCF(4642,4662) = 2
LCM(4642,4662) = ( 4642 × 4662) / 2
LCM(4642,4662) = 21641004 / 2
LCM(4642,4662) = 10820502

Least Common Multiple (LCM) of 4642 and 4662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4642 and 4662. First we will calculate the prime factors of 4642 and 4662.

Prime Factorization of 4642

Prime Factorization of 4662

Now multiplying the highest exponent prime factors to calculate the LCM of 4642 and 4662.

LCM(4642,4662) = 2¹ × 11¹ × 211¹ × 3² × 7¹ × 37¹
LCM(4642,4662) = 10820502