What is the Least Common Multiple of 9880 and 9899?

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 9880 and 9899 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9880 and 9899, than apply into the LCM equation.

GCF(9880,9899) = 19
LCM(9880,9899) = ( 9880 × 9899) / 19
LCM(9880,9899) = 97802120 / 19
LCM(9880,9899) = 5147480

Least Common Multiple (LCM) of 9880 and 9899 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9880 and 9899. First we will calculate the prime factors of 9880 and 9899.

Prime Factorization of 9880

Prime Factorization of 9899

Now multiplying the highest exponent prime factors to calculate the LCM of 9880 and 9899.

LCM(9880,9899) = 2³ × 5¹ × 13¹ × 19¹ × 521¹
LCM(9880,9899) = 5147480