What is the Least Common Multiple of 98540 and 98557?

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 98540 and 98557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98540 and 98557, than apply into the LCM equation.

GCF(98540,98557) = 1
LCM(98540,98557) = ( 98540 × 98557) / 1
LCM(98540,98557) = 9711806780 / 1
LCM(98540,98557) = 9711806780

Least Common Multiple (LCM) of 98540 and 98557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 98540 and 98557. First we will calculate the prime factors of 98540 and 98557.

Prime Factorization of 98540

Prime Factorization of 98557

Now multiplying the highest exponent prime factors to calculate the LCM of 98540 and 98557.

LCM(98540,98557) = 2² × 5¹ × 13¹ × 379¹ × 67¹ × 1471¹
LCM(98540,98557) = 9711806780