What is the Least Common Multiple of 71779 and 71783?

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 71779 and 71783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71779 and 71783, than apply into the LCM equation.

GCF(71779,71783) = 1
LCM(71779,71783) = ( 71779 × 71783) / 1
LCM(71779,71783) = 5152511957 / 1
LCM(71779,71783) = 5152511957

Least Common Multiple (LCM) of 71779 and 71783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71779 and 71783. First we will calculate the prime factors of 71779 and 71783.

Prime Factorization of 71779

Prime Factorization of 71783

Now multiplying the highest exponent prime factors to calculate the LCM of 71779 and 71783.

LCM(71779,71783) = 179¹ × 401¹ × 23¹ × 3121¹
LCM(71779,71783) = 5152511957