What is the Least Common Multiple of 61902 and 61909?

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 61902 and 61909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61902 and 61909, than apply into the LCM equation.

GCF(61902,61909) = 1
LCM(61902,61909) = ( 61902 × 61909) / 1
LCM(61902,61909) = 3832290918 / 1
LCM(61902,61909) = 3832290918

Least Common Multiple (LCM) of 61902 and 61909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61902 and 61909. First we will calculate the prime factors of 61902 and 61909.

Prime Factorization of 61902

Prime Factorization of 61909

Now multiplying the highest exponent prime factors to calculate the LCM of 61902 and 61909.

LCM(61902,61909) = 2¹ × 3² × 19¹ × 181¹ × 61909¹
LCM(61902,61909) = 3832290918