What is the Least Common Multiple of 61490 and 61510?

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 61490 and 61510 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61490 and 61510, than apply into the LCM equation.

GCF(61490,61510) = 10
LCM(61490,61510) = ( 61490 × 61510) / 10
LCM(61490,61510) = 3782249900 / 10
LCM(61490,61510) = 378224990

Least Common Multiple (LCM) of 61490 and 61510 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61490 and 61510. First we will calculate the prime factors of 61490 and 61510.

Prime Factorization of 61490

Prime Factorization of 61510

Now multiplying the highest exponent prime factors to calculate the LCM of 61490 and 61510.

LCM(61490,61510) = 2¹ × 5¹ × 11¹ × 13¹ × 43¹ × 6151¹
LCM(61490,61510) = 378224990