What is the Least Common Multiple of 39270 and 39281?

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 of 39270 and 39281 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39270 and 39281, than apply into the LCM equation.

GCF(39270,39281) = 11
LCM(39270,39281) = ( 39270 × 39281) / 11
LCM(39270,39281) = 1542564870 / 11
LCM(39270,39281) = 140233170

Least Common Multiple (LCM) of 39270 and 39281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39270 and 39281. First we will calculate the prime factors of 39270 and 39281.

Prime Factorization of 39270

Prime Factorization of 39281

Now multiplying the highest exponent prime factors to calculate the LCM of 39270 and 39281.

LCM(39270,39281) = 2¹ × 3¹ × 5¹ × 7¹ × 11¹ × 17¹ × 3571¹
LCM(39270,39281) = 140233170