What is the Least Common Multiple of 79490 and 79510?

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 79490 and 79510 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79490 and 79510, than apply into the LCM equation.

GCF(79490,79510) = 10
LCM(79490,79510) = ( 79490 × 79510) / 10
LCM(79490,79510) = 6320249900 / 10
LCM(79490,79510) = 632024990

Least Common Multiple (LCM) of 79490 and 79510 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79490 and 79510. First we will calculate the prime factors of 79490 and 79510.

Prime Factorization of 79490

Prime Factorization of 79510

Now multiplying the highest exponent prime factors to calculate the LCM of 79490 and 79510.

LCM(79490,79510) = 2¹ × 5¹ × 7949¹ × 7951¹
LCM(79490,79510) = 632024990