What is the Least Common Multiple of 66518 and 66523?

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 66518 and 66523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66518 and 66523, than apply into the LCM equation.

GCF(66518,66523) = 1
LCM(66518,66523) = ( 66518 × 66523) / 1
LCM(66518,66523) = 4424976914 / 1
LCM(66518,66523) = 4424976914

Least Common Multiple (LCM) of 66518 and 66523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66518 and 66523. First we will calculate the prime factors of 66518 and 66523.

Prime Factorization of 66518

Prime Factorization of 66523

Now multiplying the highest exponent prime factors to calculate the LCM of 66518 and 66523.

LCM(66518,66523) = 2¹ × 79¹ × 421¹ × 66523¹
LCM(66518,66523) = 4424976914