GCF and LCM Calculator Logo

What is the Least Common Multiple of 69861 and 69871?

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 69861 and 69871 is 4881257931.

LCM(69861,69871) = 4881257931

LCM Calculator and
and

Least Common Multiple of 69861 and 69871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69861 and 69871, than apply into the LCM equation.

GCF(69861,69871) = 1
LCM(69861,69871) = ( 69861 × 69871) / 1
LCM(69861,69871) = 4881257931 / 1
LCM(69861,69871) = 4881257931

Least Common Multiple (LCM) of 69861 and 69871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69861 and 69871. First we will calculate the prime factors of 69861 and 69871.

Prime Factorization of 69861

Prime factors of 69861 are 3, 11, 29, 73. Prime factorization of 69861 in exponential form is:

69861 = 31 × 111 × 291 × 731

Prime Factorization of 69871

Prime factors of 69871 are 107, 653. Prime factorization of 69871 in exponential form is:

69871 = 1071 × 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 69861 and 69871.

LCM(69861,69871) = 31 × 111 × 291 × 731 × 1071 × 6531
LCM(69861,69871) = 4881257931