GCF and LCM Calculator Logo

What is the Least Common Multiple of 53938 and 53956?

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 53938 and 53956 is 1455139364.

LCM(53938,53956) = 1455139364

LCM Calculator and
and

Least Common Multiple of 53938 and 53956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53938 and 53956, than apply into the LCM equation.

GCF(53938,53956) = 2
LCM(53938,53956) = ( 53938 × 53956) / 2
LCM(53938,53956) = 2910278728 / 2
LCM(53938,53956) = 1455139364

Least Common Multiple (LCM) of 53938 and 53956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53938 and 53956. First we will calculate the prime factors of 53938 and 53956.

Prime Factorization of 53938

Prime factors of 53938 are 2, 149, 181. Prime factorization of 53938 in exponential form is:

53938 = 21 × 1491 × 1811

Prime Factorization of 53956

Prime factors of 53956 are 2, 7, 41, 47. Prime factorization of 53956 in exponential form is:

53956 = 22 × 71 × 411 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 53938 and 53956.

LCM(53938,53956) = 22 × 1491 × 1811 × 71 × 411 × 471
LCM(53938,53956) = 1455139364