What is the Least Common Multiple of 20351 and 20370?

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 20351 and 20370 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20351 and 20370, than apply into the LCM equation.

GCF(20351,20370) = 1
LCM(20351,20370) = ( 20351 × 20370) / 1
LCM(20351,20370) = 414549870 / 1
LCM(20351,20370) = 414549870

Least Common Multiple (LCM) of 20351 and 20370 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20351 and 20370. First we will calculate the prime factors of 20351 and 20370.

Prime Factorization of 20351

Prime Factorization of 20370

Now multiplying the highest exponent prime factors to calculate the LCM of 20351 and 20370.

LCM(20351,20370) = 47¹ × 433¹ × 2¹ × 3¹ × 5¹ × 7¹ × 97¹
LCM(20351,20370) = 414549870