What is the Least Common Multiple of 71647 and 71655?

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 71647 and 71655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71647 and 71655, than apply into the LCM equation.

GCF(71647,71655) = 1
LCM(71647,71655) = ( 71647 × 71655) / 1
LCM(71647,71655) = 5133865785 / 1
LCM(71647,71655) = 5133865785

Least Common Multiple (LCM) of 71647 and 71655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71647 and 71655. First we will calculate the prime factors of 71647 and 71655.

Prime Factorization of 71647

Prime Factorization of 71655

Now multiplying the highest exponent prime factors to calculate the LCM of 71647 and 71655.

LCM(71647,71655) = 71647¹ × 3¹ × 5¹ × 17¹ × 281¹
LCM(71647,71655) = 5133865785