What is the Least Common Multiple of 66431 and 66451?

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 66431 and 66451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66431 and 66451, than apply into the LCM equation.

GCF(66431,66451) = 1
LCM(66431,66451) = ( 66431 × 66451) / 1
LCM(66431,66451) = 4414406381 / 1
LCM(66431,66451) = 4414406381

Least Common Multiple (LCM) of 66431 and 66451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66431 and 66451. First we will calculate the prime factors of 66431 and 66451.

Prime Factorization of 66431

Prime Factorization of 66451

Now multiplying the highest exponent prime factors to calculate the LCM of 66431 and 66451.

LCM(66431,66451) = 66431¹ × 7¹ × 11¹ × 863¹
LCM(66431,66451) = 4414406381