What is the Least Common Multiple of 28501 and 28505?

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 28501 and 28505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28501 and 28505, than apply into the LCM equation.

GCF(28501,28505) = 1
LCM(28501,28505) = ( 28501 × 28505) / 1
LCM(28501,28505) = 812421005 / 1
LCM(28501,28505) = 812421005

Least Common Multiple (LCM) of 28501 and 28505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28501 and 28505. First we will calculate the prime factors of 28501 and 28505.

Prime Factorization of 28501

Prime Factorization of 28505

Now multiplying the highest exponent prime factors to calculate the LCM of 28501 and 28505.

LCM(28501,28505) = 11¹ × 2591¹ × 5¹ × 5701¹
LCM(28501,28505) = 812421005