What is the Least Common Multiple of 47905 and 47918?

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 47905 and 47918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47905 and 47918, than apply into the LCM equation.

GCF(47905,47918) = 13
LCM(47905,47918) = ( 47905 × 47918) / 13
LCM(47905,47918) = 2295511790 / 13
LCM(47905,47918) = 176577830

Least Common Multiple (LCM) of 47905 and 47918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47905 and 47918. First we will calculate the prime factors of 47905 and 47918.

Prime Factorization of 47905

Prime Factorization of 47918

Now multiplying the highest exponent prime factors to calculate the LCM of 47905 and 47918.

LCM(47905,47918) = 5¹ × 11¹ × 13¹ × 67¹ × 2¹ × 19¹ × 97¹
LCM(47905,47918) = 176577830