What is the Least Common Multiple of 79783 and 79789?

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 79783 and 79789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79783 and 79789, than apply into the LCM equation.

GCF(79783,79789) = 1
LCM(79783,79789) = ( 79783 × 79789) / 1
LCM(79783,79789) = 6365805787 / 1
LCM(79783,79789) = 6365805787

Least Common Multiple (LCM) of 79783 and 79789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79783 and 79789. First we will calculate the prime factors of 79783 and 79789.

Prime Factorization of 79783

Prime Factorization of 79789

Now multiplying the highest exponent prime factors to calculate the LCM of 79783 and 79789.

LCM(79783,79789) = 11¹ × 7253¹ × 73¹ × 1093¹
LCM(79783,79789) = 6365805787