What is the Least Common Multiple of 87758 and 87778?

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 87758 and 87778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87758 and 87778, than apply into the LCM equation.

GCF(87758,87778) = 2
LCM(87758,87778) = ( 87758 × 87778) / 2
LCM(87758,87778) = 7703221724 / 2
LCM(87758,87778) = 3851610862

Least Common Multiple (LCM) of 87758 and 87778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87758 and 87778. First we will calculate the prime factors of 87758 and 87778.

Prime Factorization of 87758

Prime Factorization of 87778

Now multiplying the highest exponent prime factors to calculate the LCM of 87758 and 87778.

LCM(87758,87778) = 2¹ × 11¹ × 3989¹ × 43889¹
LCM(87758,87778) = 3851610862