What is the Least Common Multiple of 65140 and 65156?

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 65140 and 65156 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65140 and 65156, than apply into the LCM equation.

GCF(65140,65156) = 4
LCM(65140,65156) = ( 65140 × 65156) / 4
LCM(65140,65156) = 4244261840 / 4
LCM(65140,65156) = 1061065460

Least Common Multiple (LCM) of 65140 and 65156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65140 and 65156. First we will calculate the prime factors of 65140 and 65156.

Prime Factorization of 65140

Prime Factorization of 65156

Now multiplying the highest exponent prime factors to calculate the LCM of 65140 and 65156.

LCM(65140,65156) = 2² × 5¹ × 3257¹ × 7¹ × 13¹ × 179¹
LCM(65140,65156) = 1061065460