What is the Least Common Multiple of 28490 and 28506?

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 28490 and 28506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28490 and 28506, than apply into the LCM equation.

GCF(28490,28506) = 2
LCM(28490,28506) = ( 28490 × 28506) / 2
LCM(28490,28506) = 812135940 / 2
LCM(28490,28506) = 406067970

Least Common Multiple (LCM) of 28490 and 28506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28490 and 28506. First we will calculate the prime factors of 28490 and 28506.

Prime Factorization of 28490

Prime Factorization of 28506

Now multiplying the highest exponent prime factors to calculate the LCM of 28490 and 28506.

LCM(28490,28506) = 2¹ × 5¹ × 7¹ × 11¹ × 37¹ × 3¹ × 4751¹
LCM(28490,28506) = 406067970