What is the Least Common Multiple of 10902 and 10909?

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 10902 and 10909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10902 and 10909, than apply into the LCM equation.

GCF(10902,10909) = 1
LCM(10902,10909) = ( 10902 × 10909) / 1
LCM(10902,10909) = 118929918 / 1
LCM(10902,10909) = 118929918

Least Common Multiple (LCM) of 10902 and 10909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10902 and 10909. First we will calculate the prime factors of 10902 and 10909.

Prime Factorization of 10902

Prime Factorization of 10909

Now multiplying the highest exponent prime factors to calculate the LCM of 10902 and 10909.

LCM(10902,10909) = 2¹ × 3¹ × 23¹ × 79¹ × 10909¹
LCM(10902,10909) = 118929918