What is the Least Common Multiple of 8021 and 8040?

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 8021 and 8040 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8021 and 8040, than apply into the LCM equation.

GCF(8021,8040) = 1
LCM(8021,8040) = ( 8021 × 8040) / 1
LCM(8021,8040) = 64488840 / 1
LCM(8021,8040) = 64488840

Least Common Multiple (LCM) of 8021 and 8040 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8021 and 8040. First we will calculate the prime factors of 8021 and 8040.

Prime Factorization of 8021

Prime Factorization of 8040

Now multiplying the highest exponent prime factors to calculate the LCM of 8021 and 8040.

LCM(8021,8040) = 13¹ × 617¹ × 2³ × 3¹ × 5¹ × 67¹
LCM(8021,8040) = 64488840