What is the Least Common Multiple of 69270 and 69278?

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 69270 and 69278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69270 and 69278, than apply into the LCM equation.

GCF(69270,69278) = 2
LCM(69270,69278) = ( 69270 × 69278) / 2
LCM(69270,69278) = 4798887060 / 2
LCM(69270,69278) = 2399443530

Least Common Multiple (LCM) of 69270 and 69278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69270 and 69278. First we will calculate the prime factors of 69270 and 69278.

Prime Factorization of 69270

Prime Factorization of 69278

Now multiplying the highest exponent prime factors to calculate the LCM of 69270 and 69278.

LCM(69270,69278) = 2¹ × 3¹ × 5¹ × 2309¹ × 11¹ × 47¹ × 67¹
LCM(69270,69278) = 2399443530