What is the Least Common Multiple of 69645 and 69665?

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 69645 and 69665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69645 and 69665, than apply into the LCM equation.

GCF(69645,69665) = 5
LCM(69645,69665) = ( 69645 × 69665) / 5
LCM(69645,69665) = 4851818925 / 5
LCM(69645,69665) = 970363785

Least Common Multiple (LCM) of 69645 and 69665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69645 and 69665. First we will calculate the prime factors of 69645 and 69665.

Prime Factorization of 69645

Prime Factorization of 69665

Now multiplying the highest exponent prime factors to calculate the LCM of 69645 and 69665.

LCM(69645,69665) = 3¹ × 5¹ × 4643¹ × 13933¹
LCM(69645,69665) = 970363785