What is the Least Common Multiple of 23678 and 23689?

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 23678 and 23689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23678 and 23689, than apply into the LCM equation.

GCF(23678,23689) = 1
LCM(23678,23689) = ( 23678 × 23689) / 1
LCM(23678,23689) = 560908142 / 1
LCM(23678,23689) = 560908142

Least Common Multiple (LCM) of 23678 and 23689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23678 and 23689. First we will calculate the prime factors of 23678 and 23689.

Prime Factorization of 23678

Prime Factorization of 23689

Now multiplying the highest exponent prime factors to calculate the LCM of 23678 and 23689.

LCM(23678,23689) = 2¹ × 11839¹ × 23689¹
LCM(23678,23689) = 560908142