What is the Least Common Multiple of 85768 and 85778?

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 85768 and 85778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85768 and 85778, than apply into the LCM equation.

GCF(85768,85778) = 2
LCM(85768,85778) = ( 85768 × 85778) / 2
LCM(85768,85778) = 7357007504 / 2
LCM(85768,85778) = 3678503752

Least Common Multiple (LCM) of 85768 and 85778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85768 and 85778. First we will calculate the prime factors of 85768 and 85778.

Prime Factorization of 85768

Prime Factorization of 85778

Now multiplying the highest exponent prime factors to calculate the LCM of 85768 and 85778.

LCM(85768,85778) = 2³ × 71¹ × 151¹ × 7¹ × 11¹ × 557¹
LCM(85768,85778) = 3678503752