What is the Least Common Multiple of 71957 and 71969?

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 71957 and 71969 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71957 and 71969, than apply into the LCM equation.

GCF(71957,71969) = 1
LCM(71957,71969) = ( 71957 × 71969) / 1
LCM(71957,71969) = 5178673333 / 1
LCM(71957,71969) = 5178673333

Least Common Multiple (LCM) of 71957 and 71969 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71957 and 71969. First we will calculate the prime factors of 71957 and 71969.

Prime Factorization of 71957

Prime Factorization of 71969

Now multiplying the highest exponent prime factors to calculate the LCM of 71957 and 71969.

LCM(71957,71969) = 47¹ × 1531¹ × 79¹ × 911¹
LCM(71957,71969) = 5178673333