What is the Least Common Multiple of 97820 and 97838?

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 97820 and 97838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97820 and 97838, than apply into the LCM equation.

GCF(97820,97838) = 2
LCM(97820,97838) = ( 97820 × 97838) / 2
LCM(97820,97838) = 9570513160 / 2
LCM(97820,97838) = 4785256580

Least Common Multiple (LCM) of 97820 and 97838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97820 and 97838. First we will calculate the prime factors of 97820 and 97838.

Prime Factorization of 97820

Prime Factorization of 97838

Now multiplying the highest exponent prime factors to calculate the LCM of 97820 and 97838.

LCM(97820,97838) = 2² × 5¹ × 67¹ × 73¹ × 13¹ × 53¹ × 71¹
LCM(97820,97838) = 4785256580