What is the Least Common Multiple of 15951 and 15971?

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 15951 and 15971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15951 and 15971, than apply into the LCM equation.

GCF(15951,15971) = 1
LCM(15951,15971) = ( 15951 × 15971) / 1
LCM(15951,15971) = 254753421 / 1
LCM(15951,15971) = 254753421

Least Common Multiple (LCM) of 15951 and 15971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15951 and 15971. First we will calculate the prime factors of 15951 and 15971.

Prime Factorization of 15951

Prime Factorization of 15971

Now multiplying the highest exponent prime factors to calculate the LCM of 15951 and 15971.

LCM(15951,15971) = 3¹ × 13¹ × 409¹ × 15971¹
LCM(15951,15971) = 254753421