GCF and LCM Calculator Logo

What is the Least Common Multiple of 20935 and 20954?

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 20935 and 20954 is 438671990.

LCM(20935,20954) = 438671990

LCM Calculator and
and

Least Common Multiple of 20935 and 20954 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20935 and 20954, than apply into the LCM equation.

GCF(20935,20954) = 1
LCM(20935,20954) = ( 20935 × 20954) / 1
LCM(20935,20954) = 438671990 / 1
LCM(20935,20954) = 438671990

Least Common Multiple (LCM) of 20935 and 20954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20935 and 20954. First we will calculate the prime factors of 20935 and 20954.

Prime Factorization of 20935

Prime factors of 20935 are 5, 53, 79. Prime factorization of 20935 in exponential form is:

20935 = 51 × 531 × 791

Prime Factorization of 20954

Prime factors of 20954 are 2, 10477. Prime factorization of 20954 in exponential form is:

20954 = 21 × 104771

Now multiplying the highest exponent prime factors to calculate the LCM of 20935 and 20954.

LCM(20935,20954) = 51 × 531 × 791 × 21 × 104771
LCM(20935,20954) = 438671990