What is the Least Common Multiple of 71603 and 71607?

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 71603 and 71607 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71603 and 71607, than apply into the LCM equation.

GCF(71603,71607) = 1
LCM(71603,71607) = ( 71603 × 71607) / 1
LCM(71603,71607) = 5127276021 / 1
LCM(71603,71607) = 5127276021

Least Common Multiple (LCM) of 71603 and 71607 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71603 and 71607. First we will calculate the prime factors of 71603 and 71607.

Prime Factorization of 71603

Prime Factorization of 71607

Now multiplying the highest exponent prime factors to calculate the LCM of 71603 and 71607.

LCM(71603,71607) = 7¹ × 53¹ × 193¹ × 3¹ × 23869¹
LCM(71603,71607) = 5127276021