What is the Least Common Multiple of 70603 and 70621?

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 70603 and 70621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70603 and 70621, than apply into the LCM equation.

GCF(70603,70621) = 1
LCM(70603,70621) = ( 70603 × 70621) / 1
LCM(70603,70621) = 4986054463 / 1
LCM(70603,70621) = 4986054463

Least Common Multiple (LCM) of 70603 and 70621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70603 and 70621. First we will calculate the prime factors of 70603 and 70621.

Prime Factorization of 70603

Prime Factorization of 70621

Now multiplying the highest exponent prime factors to calculate the LCM of 70603 and 70621.

LCM(70603,70621) = 13¹ × 5431¹ × 70621¹
LCM(70603,70621) = 4986054463