What is the Least Common Multiple of 90455 and 90460?

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 90455 and 90460 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90455 and 90460, than apply into the LCM equation.

GCF(90455,90460) = 5
LCM(90455,90460) = ( 90455 × 90460) / 5
LCM(90455,90460) = 8182559300 / 5
LCM(90455,90460) = 1636511860

Least Common Multiple (LCM) of 90455 and 90460 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90455 and 90460. First we will calculate the prime factors of 90455 and 90460.

Prime Factorization of 90455

Prime Factorization of 90460

Now multiplying the highest exponent prime factors to calculate the LCM of 90455 and 90460.

LCM(90455,90460) = 5¹ × 79¹ × 229¹ × 2² × 4523¹
LCM(90455,90460) = 1636511860