GCF and LCM Calculator Logo

What is the Least Common Multiple of 20241 and 20255?

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 20241 and 20255 is 409981455.

LCM(20241,20255) = 409981455

LCM Calculator and
and

Least Common Multiple of 20241 and 20255 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20241 and 20255, than apply into the LCM equation.

GCF(20241,20255) = 1
LCM(20241,20255) = ( 20241 × 20255) / 1
LCM(20241,20255) = 409981455 / 1
LCM(20241,20255) = 409981455

Least Common Multiple (LCM) of 20241 and 20255 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20241 and 20255. First we will calculate the prime factors of 20241 and 20255.

Prime Factorization of 20241

Prime factors of 20241 are 3, 13, 173. Prime factorization of 20241 in exponential form is:

20241 = 32 × 131 × 1731

Prime Factorization of 20255

Prime factors of 20255 are 5, 4051. Prime factorization of 20255 in exponential form is:

20255 = 51 × 40511

Now multiplying the highest exponent prime factors to calculate the LCM of 20241 and 20255.

LCM(20241,20255) = 32 × 131 × 1731 × 51 × 40511
LCM(20241,20255) = 409981455