GCF and LCM Calculator Logo

What is the Least Common Multiple of 20917 and 20933?

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 20917 and 20933 is 437855561.

LCM(20917,20933) = 437855561

LCM Calculator and
and

Least Common Multiple of 20917 and 20933 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20917 and 20933, than apply into the LCM equation.

GCF(20917,20933) = 1
LCM(20917,20933) = ( 20917 × 20933) / 1
LCM(20917,20933) = 437855561 / 1
LCM(20917,20933) = 437855561

Least Common Multiple (LCM) of 20917 and 20933 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20917 and 20933. First we will calculate the prime factors of 20917 and 20933.

Prime Factorization of 20917

Prime factors of 20917 are 13, 1609. Prime factorization of 20917 in exponential form is:

20917 = 131 × 16091

Prime Factorization of 20933

Prime factors of 20933 are 11, 173. Prime factorization of 20933 in exponential form is:

20933 = 112 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 20917 and 20933.

LCM(20917,20933) = 131 × 16091 × 112 × 1731
LCM(20917,20933) = 437855561