GCF and LCM Calculator Logo

What is the Least Common Multiple of 20242 and 20251?

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 20242 and 20251 is 409920742.

LCM(20242,20251) = 409920742

LCM Calculator and
and

Least Common Multiple of 20242 and 20251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20242 and 20251, than apply into the LCM equation.

GCF(20242,20251) = 1
LCM(20242,20251) = ( 20242 × 20251) / 1
LCM(20242,20251) = 409920742 / 1
LCM(20242,20251) = 409920742

Least Common Multiple (LCM) of 20242 and 20251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20242 and 20251. First we will calculate the prime factors of 20242 and 20251.

Prime Factorization of 20242

Prime factors of 20242 are 2, 29, 349. Prime factorization of 20242 in exponential form is:

20242 = 21 × 291 × 3491

Prime Factorization of 20251

Prime factors of 20251 are 7, 11, 263. Prime factorization of 20251 in exponential form is:

20251 = 71 × 111 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 20242 and 20251.

LCM(20242,20251) = 21 × 291 × 3491 × 71 × 111 × 2631
LCM(20242,20251) = 409920742