What is the Least Common Multiple of 83987 and 84003?

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 83987 and 84003 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83987 and 84003, than apply into the LCM equation.

GCF(83987,84003) = 1
LCM(83987,84003) = ( 83987 × 84003) / 1
LCM(83987,84003) = 7055159961 / 1
LCM(83987,84003) = 7055159961

Least Common Multiple (LCM) of 83987 and 84003 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83987 and 84003. First we will calculate the prime factors of 83987 and 84003.

Prime Factorization of 83987

Prime Factorization of 84003

Now multiplying the highest exponent prime factors to calculate the LCM of 83987 and 84003.

LCM(83987,84003) = 83987¹ × 3¹ × 28001¹
LCM(83987,84003) = 7055159961