What is the Least Common Multiple of 71961 and 71979?

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 71961 and 71979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71961 and 71979, than apply into the LCM equation.

GCF(71961,71979) = 3
LCM(71961,71979) = ( 71961 × 71979) / 3
LCM(71961,71979) = 5179680819 / 3
LCM(71961,71979) = 1726560273

Least Common Multiple (LCM) of 71961 and 71979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71961 and 71979. First we will calculate the prime factors of 71961 and 71979.

Prime Factorization of 71961

Prime Factorization of 71979

Now multiplying the highest exponent prime factors to calculate the LCM of 71961 and 71979.

LCM(71961,71979) = 3¹ × 17² × 83¹ × 23993¹
LCM(71961,71979) = 1726560273