What is the Least Common Multiple of 71607 and 71617?

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 71607 and 71617 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71607 and 71617, than apply into the LCM equation.

GCF(71607,71617) = 1
LCM(71607,71617) = ( 71607 × 71617) / 1
LCM(71607,71617) = 5128278519 / 1
LCM(71607,71617) = 5128278519

Least Common Multiple (LCM) of 71607 and 71617 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71607 and 71617. First we will calculate the prime factors of 71607 and 71617.

Prime Factorization of 71607

Prime Factorization of 71617

Now multiplying the highest exponent prime factors to calculate the LCM of 71607 and 71617.

LCM(71607,71617) = 3¹ × 23869¹ × 7¹ × 13¹ × 787¹
LCM(71607,71617) = 5128278519