What is the Least Common Multiple of 71003 and 71021?

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 71003 and 71021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71003 and 71021, than apply into the LCM equation.

GCF(71003,71021) = 1
LCM(71003,71021) = ( 71003 × 71021) / 1
LCM(71003,71021) = 5042704063 / 1
LCM(71003,71021) = 5042704063

Least Common Multiple (LCM) of 71003 and 71021 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71003 and 71021. First we will calculate the prime factors of 71003 and 71021.

Prime Factorization of 71003

Prime Factorization of 71021

Now multiplying the highest exponent prime factors to calculate the LCM of 71003 and 71021.

LCM(71003,71021) = 19¹ × 37¹ × 101¹ × 29¹ × 31¹ × 79¹
LCM(71003,71021) = 5042704063