GCF and LCM Calculator Logo

What is the Least Common Multiple of 71231 and 71251?

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 (LCM) of 71231 and 71251 is 5075279981.

LCM(71231,71251) = 5075279981

LCM Calculator and
and

Least Common Multiple of 71231 and 71251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71231 and 71251, than apply into the LCM equation.

GCF(71231,71251) = 1
LCM(71231,71251) = ( 71231 × 71251) / 1
LCM(71231,71251) = 5075279981 / 1
LCM(71231,71251) = 5075279981

Least Common Multiple (LCM) of 71231 and 71251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71231 and 71251. First we will calculate the prime factors of 71231 and 71251.

Prime Factorization of 71231

Prime factors of 71231 are 19, 23, 163. Prime factorization of 71231 in exponential form is:

71231 = 191 × 231 × 1631

Prime Factorization of 71251

Prime factors of 71251 are 43, 1657. Prime factorization of 71251 in exponential form is:

71251 = 431 × 16571

Now multiplying the highest exponent prime factors to calculate the LCM of 71231 and 71251.

LCM(71231,71251) = 191 × 231 × 1631 × 431 × 16571
LCM(71231,71251) = 5075279981