GCF and LCM Calculator Logo

What is the Least Common Multiple of 53903 and 53920?

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 53903 and 53920 is 2906449760.

LCM(53903,53920) = 2906449760

LCM Calculator and
and

Least Common Multiple of 53903 and 53920 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53903 and 53920, than apply into the LCM equation.

GCF(53903,53920) = 1
LCM(53903,53920) = ( 53903 × 53920) / 1
LCM(53903,53920) = 2906449760 / 1
LCM(53903,53920) = 2906449760

Least Common Multiple (LCM) of 53903 and 53920 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53903 and 53920. First we will calculate the prime factors of 53903 and 53920.

Prime Factorization of 53903

Prime factors of 53903 are 19, 2837. Prime factorization of 53903 in exponential form is:

53903 = 191 × 28371

Prime Factorization of 53920

Prime factors of 53920 are 2, 5, 337. Prime factorization of 53920 in exponential form is:

53920 = 25 × 51 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 53903 and 53920.

LCM(53903,53920) = 191 × 28371 × 25 × 51 × 3371
LCM(53903,53920) = 2906449760