What is the Least Common Multiple of 25370 and 25381?

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 25370 and 25381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25370 and 25381, than apply into the LCM equation.

GCF(25370,25381) = 1
LCM(25370,25381) = ( 25370 × 25381) / 1
LCM(25370,25381) = 643915970 / 1
LCM(25370,25381) = 643915970

Least Common Multiple (LCM) of 25370 and 25381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25370 and 25381. First we will calculate the prime factors of 25370 and 25381.

Prime Factorization of 25370

Prime Factorization of 25381

Now multiplying the highest exponent prime factors to calculate the LCM of 25370 and 25381.

LCM(25370,25381) = 2¹ × 5¹ × 43¹ × 59¹ × 17¹ × 1493¹
LCM(25370,25381) = 643915970