What is the Least Common Multiple of 8780 and 8790?

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 8780 and 8790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8780 and 8790, than apply into the LCM equation.

GCF(8780,8790) = 10
LCM(8780,8790) = ( 8780 × 8790) / 10
LCM(8780,8790) = 77176200 / 10
LCM(8780,8790) = 7717620

Least Common Multiple (LCM) of 8780 and 8790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8780 and 8790. First we will calculate the prime factors of 8780 and 8790.

Prime Factorization of 8780

Prime Factorization of 8790

Now multiplying the highest exponent prime factors to calculate the LCM of 8780 and 8790.

LCM(8780,8790) = 2² × 5¹ × 439¹ × 3¹ × 293¹
LCM(8780,8790) = 7717620