What is the Least Common Multiple of 47105 and 47109?

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 47105 and 47109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47105 and 47109, than apply into the LCM equation.

GCF(47105,47109) = 1
LCM(47105,47109) = ( 47105 × 47109) / 1
LCM(47105,47109) = 2219069445 / 1
LCM(47105,47109) = 2219069445

Least Common Multiple (LCM) of 47105 and 47109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47105 and 47109. First we will calculate the prime factors of 47105 and 47109.

Prime Factorization of 47105

Prime Factorization of 47109

Now multiplying the highest exponent prime factors to calculate the LCM of 47105 and 47109.

LCM(47105,47109) = 5¹ × 9421¹ × 3¹ × 41¹ × 383¹
LCM(47105,47109) = 2219069445