What is the Least Common Multiple of 69680 and 69686?

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 69680 and 69686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69680 and 69686, than apply into the LCM equation.

GCF(69680,69686) = 2
LCM(69680,69686) = ( 69680 × 69686) / 2
LCM(69680,69686) = 4855720480 / 2
LCM(69680,69686) = 2427860240

Least Common Multiple (LCM) of 69680 and 69686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69680 and 69686. First we will calculate the prime factors of 69680 and 69686.

Prime Factorization of 69680

Prime Factorization of 69686

Now multiplying the highest exponent prime factors to calculate the LCM of 69680 and 69686.

LCM(69680,69686) = 2⁴ × 5¹ × 13¹ × 67¹ × 34843¹
LCM(69680,69686) = 2427860240