What is the Least Common Multiple of 68503 and 68521?

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 68503 and 68521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68503 and 68521, than apply into the LCM equation.

GCF(68503,68521) = 1
LCM(68503,68521) = ( 68503 × 68521) / 1
LCM(68503,68521) = 4693894063 / 1
LCM(68503,68521) = 4693894063

Least Common Multiple (LCM) of 68503 and 68521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68503 and 68521. First we will calculate the prime factors of 68503 and 68521.

Prime Factorization of 68503

Prime Factorization of 68521

Now multiplying the highest exponent prime factors to calculate the LCM of 68503 and 68521.

LCM(68503,68521) = 61¹ × 1123¹ × 68521¹
LCM(68503,68521) = 4693894063