What is the Least Common Multiple of 99983 and 99989?
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 (LCM) of 99983 and 99989 is 9997200187.
LCM(99983,99989) = 9997200187
Least Common Multiple of 99983 and 99989 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99983 and 99989, than apply into the LCM equation.
GCF(99983,99989) = 1
LCM(99983,99989) = ( 99983 × 99989) / 1
LCM(99983,99989) = 9997200187 / 1
LCM(99983,99989) = 9997200187
Least Common Multiple (LCM) of 99983 and 99989 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 99983 and 99989. First we will calculate the prime factors of 99983 and 99989.
Prime Factorization of 99983
Prime factors of 99983 are 13, 7691. Prime factorization of 99983 in exponential form is:
99983 = 131 × 76911
Prime Factorization of 99989
Prime factors of 99989 are 99989. Prime factorization of 99989 in exponential form is:
99989 = 999891
Now multiplying the highest exponent prime factors to calculate the LCM of 99983 and 99989.
LCM(99983,99989) = 131 × 76911 × 999891
LCM(99983,99989) = 9997200187