What is the Least Common Multiple of 8780 and 8785?

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 8785 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 8785, than apply into the LCM equation.

GCF(8780,8785) = 5
LCM(8780,8785) = ( 8780 × 8785) / 5
LCM(8780,8785) = 77132300 / 5
LCM(8780,8785) = 15426460

Least Common Multiple (LCM) of 8780 and 8785 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8780 and 8785. First we will calculate the prime factors of 8780 and 8785.

Prime Factorization of 8780

Prime Factorization of 8785

Now multiplying the highest exponent prime factors to calculate the LCM of 8780 and 8785.

LCM(8780,8785) = 2² × 5¹ × 439¹ × 7¹ × 251¹
LCM(8780,8785) = 15426460