GCF and LCM Calculator Logo

What is the Least Common Multiple of 38206 and 38220?

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 38206 and 38220 is 104302380.

LCM(38206,38220) = 104302380

LCM Calculator and
and

Least Common Multiple of 38206 and 38220 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38206 and 38220, than apply into the LCM equation.

GCF(38206,38220) = 14
LCM(38206,38220) = ( 38206 × 38220) / 14
LCM(38206,38220) = 1460233320 / 14
LCM(38206,38220) = 104302380

Least Common Multiple (LCM) of 38206 and 38220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38206 and 38220. First we will calculate the prime factors of 38206 and 38220.

Prime Factorization of 38206

Prime factors of 38206 are 2, 7, 2729. Prime factorization of 38206 in exponential form is:

38206 = 21 × 71 × 27291

Prime Factorization of 38220

Prime factors of 38220 are 2, 3, 5, 7, 13. Prime factorization of 38220 in exponential form is:

38220 = 22 × 31 × 51 × 72 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 38206 and 38220.

LCM(38206,38220) = 22 × 72 × 27291 × 31 × 51 × 131
LCM(38206,38220) = 104302380