GCF and LCM Calculator Logo

What is the Least Common Multiple of 20298 and 20313?

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 20298 and 20313 is 137437758.

LCM(20298,20313) = 137437758

LCM Calculator and
and

Least Common Multiple of 20298 and 20313 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20298 and 20313, than apply into the LCM equation.

GCF(20298,20313) = 3
LCM(20298,20313) = ( 20298 × 20313) / 3
LCM(20298,20313) = 412313274 / 3
LCM(20298,20313) = 137437758

Least Common Multiple (LCM) of 20298 and 20313 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20298 and 20313. First we will calculate the prime factors of 20298 and 20313.

Prime Factorization of 20298

Prime factors of 20298 are 2, 3, 17, 199. Prime factorization of 20298 in exponential form is:

20298 = 21 × 31 × 171 × 1991

Prime Factorization of 20313

Prime factors of 20313 are 3, 37, 61. Prime factorization of 20313 in exponential form is:

20313 = 32 × 371 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 20298 and 20313.

LCM(20298,20313) = 21 × 32 × 171 × 1991 × 371 × 611
LCM(20298,20313) = 137437758