What is the Least Common Multiple of 19508 and 19516?

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 19508 and 19516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19508 and 19516, than apply into the LCM equation.

GCF(19508,19516) = 4
LCM(19508,19516) = ( 19508 × 19516) / 4
LCM(19508,19516) = 380718128 / 4
LCM(19508,19516) = 95179532

Least Common Multiple (LCM) of 19508 and 19516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19508 and 19516. First we will calculate the prime factors of 19508 and 19516.

Prime Factorization of 19508

Prime Factorization of 19516

Now multiplying the highest exponent prime factors to calculate the LCM of 19508 and 19516.

LCM(19508,19516) = 2² × 4877¹ × 7¹ × 17¹ × 41¹
LCM(19508,19516) = 95179532