What is the Least Common Multiple of 66530 and 66542?

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 66530 and 66542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66530 and 66542, than apply into the LCM equation.

GCF(66530,66542) = 2
LCM(66530,66542) = ( 66530 × 66542) / 2
LCM(66530,66542) = 4427039260 / 2
LCM(66530,66542) = 2213519630

Least Common Multiple (LCM) of 66530 and 66542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66530 and 66542. First we will calculate the prime factors of 66530 and 66542.

Prime Factorization of 66530

Prime Factorization of 66542

Now multiplying the highest exponent prime factors to calculate the LCM of 66530 and 66542.

LCM(66530,66542) = 2¹ × 5¹ × 6653¹ × 7³ × 97¹
LCM(66530,66542) = 2213519630