What is the Least Common Multiple of 64340 and 64345?

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 64340 and 64345 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64340 and 64345, than apply into the LCM equation.

GCF(64340,64345) = 5
LCM(64340,64345) = ( 64340 × 64345) / 5
LCM(64340,64345) = 4139957300 / 5
LCM(64340,64345) = 827991460

Least Common Multiple (LCM) of 64340 and 64345 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64340 and 64345. First we will calculate the prime factors of 64340 and 64345.

Prime Factorization of 64340

Prime Factorization of 64345

Now multiplying the highest exponent prime factors to calculate the LCM of 64340 and 64345.

LCM(64340,64345) = 2² × 5¹ × 3217¹ × 17¹ × 757¹
LCM(64340,64345) = 827991460