What is the Least Common Multiple of 68231 and 68249?

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 68231 and 68249 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68231 and 68249, than apply into the LCM equation.

GCF(68231,68249) = 1
LCM(68231,68249) = ( 68231 × 68249) / 1
LCM(68231,68249) = 4656697519 / 1
LCM(68231,68249) = 4656697519

Least Common Multiple (LCM) of 68231 and 68249 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68231 and 68249. First we will calculate the prime factors of 68231 and 68249.

Prime Factorization of 68231

Prime Factorization of 68249

Now multiplying the highest exponent prime factors to calculate the LCM of 68231 and 68249.

LCM(68231,68249) = 31² × 71¹ × 139¹ × 491¹
LCM(68231,68249) = 4656697519