What is the Least Common Multiple of 20590 and 20602?

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 20590 and 20602 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20590 and 20602, than apply into the LCM equation.

GCF(20590,20602) = 2
LCM(20590,20602) = ( 20590 × 20602) / 2
LCM(20590,20602) = 424195180 / 2
LCM(20590,20602) = 212097590

Least Common Multiple (LCM) of 20590 and 20602 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20590 and 20602. First we will calculate the prime factors of 20590 and 20602.

Prime Factorization of 20590

Prime Factorization of 20602

Now multiplying the highest exponent prime factors to calculate the LCM of 20590 and 20602.

LCM(20590,20602) = 2¹ × 5¹ × 29¹ × 71¹ × 10301¹
LCM(20590,20602) = 212097590