What is the Least Common Multiple of 90505 and 90516?

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 90505 and 90516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90505 and 90516, than apply into the LCM equation.

GCF(90505,90516) = 1
LCM(90505,90516) = ( 90505 × 90516) / 1
LCM(90505,90516) = 8192150580 / 1
LCM(90505,90516) = 8192150580

Least Common Multiple (LCM) of 90505 and 90516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90505 and 90516. First we will calculate the prime factors of 90505 and 90516.

Prime Factorization of 90505

Prime Factorization of 90516

Now multiplying the highest exponent prime factors to calculate the LCM of 90505 and 90516.

LCM(90505,90516) = 5¹ × 23¹ × 787¹ × 2² × 3¹ × 19¹ × 397¹
LCM(90505,90516) = 8192150580