What is the Least Common Multiple of 65320 and 65330?

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 65320 and 65330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65320 and 65330, than apply into the LCM equation.

GCF(65320,65330) = 10
LCM(65320,65330) = ( 65320 × 65330) / 10
LCM(65320,65330) = 4267355600 / 10
LCM(65320,65330) = 426735560

Least Common Multiple (LCM) of 65320 and 65330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65320 and 65330. First we will calculate the prime factors of 65320 and 65330.

Prime Factorization of 65320

Prime Factorization of 65330

Now multiplying the highest exponent prime factors to calculate the LCM of 65320 and 65330.

LCM(65320,65330) = 2³ × 5¹ × 23¹ × 71¹ × 47¹ × 139¹
LCM(65320,65330) = 426735560