What is the Least Common Multiple of 89509 and 89516?

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 89509 and 89516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89509 and 89516, than apply into the LCM equation.

GCF(89509,89516) = 7
LCM(89509,89516) = ( 89509 × 89516) / 7
LCM(89509,89516) = 8012487644 / 7
LCM(89509,89516) = 1144641092

Least Common Multiple (LCM) of 89509 and 89516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89509 and 89516. First we will calculate the prime factors of 89509 and 89516.

Prime Factorization of 89509

Prime Factorization of 89516

Now multiplying the highest exponent prime factors to calculate the LCM of 89509 and 89516.

LCM(89509,89516) = 7¹ × 19¹ × 673¹ × 2² × 23¹ × 139¹
LCM(89509,89516) = 1144641092