What is the Least Common Multiple of 91778 and 91783?

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 91778 and 91783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91778 and 91783, than apply into the LCM equation.

GCF(91778,91783) = 1
LCM(91778,91783) = ( 91778 × 91783) / 1
LCM(91778,91783) = 8423660174 / 1
LCM(91778,91783) = 8423660174

Least Common Multiple (LCM) of 91778 and 91783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91778 and 91783. First we will calculate the prime factors of 91778 and 91783.

Prime Factorization of 91778

Prime Factorization of 91783

Now multiplying the highest exponent prime factors to calculate the LCM of 91778 and 91783.

LCM(91778,91783) = 2¹ × 109¹ × 421¹ × 17¹ × 5399¹
LCM(91778,91783) = 8423660174