What is the Least Common Multiple of 69768 and 69778?

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 69768 and 69778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69768 and 69778, than apply into the LCM equation.

GCF(69768,69778) = 2
LCM(69768,69778) = ( 69768 × 69778) / 2
LCM(69768,69778) = 4868271504 / 2
LCM(69768,69778) = 2434135752

Least Common Multiple (LCM) of 69768 and 69778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69768 and 69778. First we will calculate the prime factors of 69768 and 69778.

Prime Factorization of 69768

Prime Factorization of 69778

Now multiplying the highest exponent prime factors to calculate the LCM of 69768 and 69778.

LCM(69768,69778) = 2³ × 3³ × 17¹ × 19¹ × 139¹ × 251¹
LCM(69768,69778) = 2434135752