GCF and LCM Calculator Logo

What is the Least Common Multiple of 22813 and 22821?

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 22813 and 22821 is 520615473.

LCM(22813,22821) = 520615473

LCM Calculator and
and

Least Common Multiple of 22813 and 22821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22813 and 22821, than apply into the LCM equation.

GCF(22813,22821) = 1
LCM(22813,22821) = ( 22813 × 22821) / 1
LCM(22813,22821) = 520615473 / 1
LCM(22813,22821) = 520615473

Least Common Multiple (LCM) of 22813 and 22821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22813 and 22821. First we will calculate the prime factors of 22813 and 22821.

Prime Factorization of 22813

Prime factors of 22813 are 7, 3259. Prime factorization of 22813 in exponential form is:

22813 = 71 × 32591

Prime Factorization of 22821

Prime factors of 22821 are 3, 7607. Prime factorization of 22821 in exponential form is:

22821 = 31 × 76071

Now multiplying the highest exponent prime factors to calculate the LCM of 22813 and 22821.

LCM(22813,22821) = 71 × 32591 × 31 × 76071
LCM(22813,22821) = 520615473