What is the Least Common Multiple of 65128 and 65145?

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 65128 and 65145 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65128 and 65145, than apply into the LCM equation.

GCF(65128,65145) = 1
LCM(65128,65145) = ( 65128 × 65145) / 1
LCM(65128,65145) = 4242763560 / 1
LCM(65128,65145) = 4242763560

Least Common Multiple (LCM) of 65128 and 65145 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65128 and 65145. First we will calculate the prime factors of 65128 and 65145.

Prime Factorization of 65128

Prime Factorization of 65145

Now multiplying the highest exponent prime factors to calculate the LCM of 65128 and 65145.

LCM(65128,65145) = 2³ × 7¹ × 1163¹ × 3¹ × 5¹ × 43¹ × 101¹
LCM(65128,65145) = 4242763560