GCF and LCM Calculator Logo

What is the Least Common Multiple of 13972 and 13992?

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 13972 and 13992 is 48874056.

LCM(13972,13992) = 48874056

LCM Calculator and
and

Least Common Multiple of 13972 and 13992 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13972 and 13992, than apply into the LCM equation.

GCF(13972,13992) = 4
LCM(13972,13992) = ( 13972 × 13992) / 4
LCM(13972,13992) = 195496224 / 4
LCM(13972,13992) = 48874056

Least Common Multiple (LCM) of 13972 and 13992 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13972 and 13992. First we will calculate the prime factors of 13972 and 13992.

Prime Factorization of 13972

Prime factors of 13972 are 2, 7, 499. Prime factorization of 13972 in exponential form is:

13972 = 22 × 71 × 4991

Prime Factorization of 13992

Prime factors of 13992 are 2, 3, 11, 53. Prime factorization of 13992 in exponential form is:

13992 = 23 × 31 × 111 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 13972 and 13992.

LCM(13972,13992) = 23 × 71 × 4991 × 31 × 111 × 531
LCM(13972,13992) = 48874056