What is the Least Common Multiple of 79790 and 79796?

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 79790 and 79796 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79790 and 79796, than apply into the LCM equation.

GCF(79790,79796) = 2
LCM(79790,79796) = ( 79790 × 79796) / 2
LCM(79790,79796) = 6366922840 / 2
LCM(79790,79796) = 3183461420

Least Common Multiple (LCM) of 79790 and 79796 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79790 and 79796. First we will calculate the prime factors of 79790 and 79796.

Prime Factorization of 79790

Prime Factorization of 79796

Now multiplying the highest exponent prime factors to calculate the LCM of 79790 and 79796.

LCM(79790,79796) = 2² × 5¹ × 79¹ × 101¹ × 19949¹
LCM(79790,79796) = 3183461420