What is the Least Common Multiple of 6521 and 6539?

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 6521 and 6539 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6521 and 6539, than apply into the LCM equation.

GCF(6521,6539) = 1
LCM(6521,6539) = ( 6521 × 6539) / 1
LCM(6521,6539) = 42640819 / 1
LCM(6521,6539) = 42640819

Least Common Multiple (LCM) of 6521 and 6539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6521 and 6539. First we will calculate the prime factors of 6521 and 6539.

Prime Factorization of 6521

Prime Factorization of 6539

Now multiplying the highest exponent prime factors to calculate the LCM of 6521 and 6539.

LCM(6521,6539) = 6521¹ × 13¹ × 503¹
LCM(6521,6539) = 42640819