What is the Least Common Multiple of 71274 and 71281?

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 71274 and 71281 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71274 and 71281, than apply into the LCM equation.

GCF(71274,71281) = 7
LCM(71274,71281) = ( 71274 × 71281) / 7
LCM(71274,71281) = 5080481994 / 7
LCM(71274,71281) = 725783142

Least Common Multiple (LCM) of 71274 and 71281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71274 and 71281. First we will calculate the prime factors of 71274 and 71281.

Prime Factorization of 71274

Prime Factorization of 71281

Now multiplying the highest exponent prime factors to calculate the LCM of 71274 and 71281.

LCM(71274,71281) = 2¹ × 3¹ × 7¹ × 1697¹ × 17¹ × 599¹
LCM(71274,71281) = 725783142