What is the Least Common Multiple of 64942 and 64958?

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 64942 and 64958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64942 and 64958, than apply into the LCM equation.

GCF(64942,64958) = 2
LCM(64942,64958) = ( 64942 × 64958) / 2
LCM(64942,64958) = 4218502436 / 2
LCM(64942,64958) = 2109251218

Least Common Multiple (LCM) of 64942 and 64958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64942 and 64958. First we will calculate the prime factors of 64942 and 64958.

Prime Factorization of 64942

Prime Factorization of 64958

Now multiplying the highest exponent prime factors to calculate the LCM of 64942 and 64958.

LCM(64942,64958) = 2¹ × 19¹ × 1709¹ × 32479¹
LCM(64942,64958) = 2109251218