GCF and LCM Calculator Logo

What is the Least Common Multiple of 20897 and 20914?

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 20897 and 20914 is 437039858.

LCM(20897,20914) = 437039858

LCM Calculator and
and

Least Common Multiple of 20897 and 20914 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20897 and 20914, than apply into the LCM equation.

GCF(20897,20914) = 1
LCM(20897,20914) = ( 20897 × 20914) / 1
LCM(20897,20914) = 437039858 / 1
LCM(20897,20914) = 437039858

Least Common Multiple (LCM) of 20897 and 20914 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20897 and 20914. First we will calculate the prime factors of 20897 and 20914.

Prime Factorization of 20897

Prime factors of 20897 are 20897. Prime factorization of 20897 in exponential form is:

20897 = 208971

Prime Factorization of 20914

Prime factors of 20914 are 2, 10457. Prime factorization of 20914 in exponential form is:

20914 = 21 × 104571

Now multiplying the highest exponent prime factors to calculate the LCM of 20897 and 20914.

LCM(20897,20914) = 208971 × 21 × 104571
LCM(20897,20914) = 437039858