What is the Least Common Multiple of 69564 and 69578?

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 69564 and 69578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69564 and 69578, than apply into the LCM equation.

GCF(69564,69578) = 2
LCM(69564,69578) = ( 69564 × 69578) / 2
LCM(69564,69578) = 4840123992 / 2
LCM(69564,69578) = 2420061996

Least Common Multiple (LCM) of 69564 and 69578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69564 and 69578. First we will calculate the prime factors of 69564 and 69578.

Prime Factorization of 69564

Prime Factorization of 69578

Now multiplying the highest exponent prime factors to calculate the LCM of 69564 and 69578.

LCM(69564,69578) = 2² × 3¹ × 11¹ × 17¹ × 31¹ × 19¹ × 1831¹
LCM(69564,69578) = 2420061996