What is the Least Common Multiple of 64689 and 64701?

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 64689 and 64701 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64689 and 64701, than apply into the LCM equation.

GCF(64689,64701) = 3
LCM(64689,64701) = ( 64689 × 64701) / 3
LCM(64689,64701) = 4185442989 / 3
LCM(64689,64701) = 1395147663

Least Common Multiple (LCM) of 64689 and 64701 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64689 and 64701. First we will calculate the prime factors of 64689 and 64701.

Prime Factorization of 64689

Prime Factorization of 64701

Now multiplying the highest exponent prime factors to calculate the LCM of 64689 and 64701.

LCM(64689,64701) = 3² × 21563¹ × 7¹ × 13¹ × 79¹
LCM(64689,64701) = 1395147663