GCF and LCM Calculator Logo

What is the Least Common Multiple of 3910 and 3921?

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 3910 and 3921 is 15331110.

LCM(3910,3921) = 15331110

LCM Calculator and
and

Least Common Multiple of 3910 and 3921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3910 and 3921, than apply into the LCM equation.

GCF(3910,3921) = 1
LCM(3910,3921) = ( 3910 × 3921) / 1
LCM(3910,3921) = 15331110 / 1
LCM(3910,3921) = 15331110

Least Common Multiple (LCM) of 3910 and 3921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3910 and 3921. First we will calculate the prime factors of 3910 and 3921.

Prime Factorization of 3910

Prime factors of 3910 are 2, 5, 17, 23. Prime factorization of 3910 in exponential form is:

3910 = 21 × 51 × 171 × 231

Prime Factorization of 3921

Prime factors of 3921 are 3, 1307. Prime factorization of 3921 in exponential form is:

3921 = 31 × 13071

Now multiplying the highest exponent prime factors to calculate the LCM of 3910 and 3921.

LCM(3910,3921) = 21 × 51 × 171 × 231 × 31 × 13071
LCM(3910,3921) = 15331110