What is the Least Common Multiple of 13945 and 13961?

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 13945 and 13961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13945 and 13961, than apply into the LCM equation.

GCF(13945,13961) = 1
LCM(13945,13961) = ( 13945 × 13961) / 1
LCM(13945,13961) = 194686145 / 1
LCM(13945,13961) = 194686145

Least Common Multiple (LCM) of 13945 and 13961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13945 and 13961. First we will calculate the prime factors of 13945 and 13961.

Prime Factorization of 13945

Prime Factorization of 13961

Now multiplying the highest exponent prime factors to calculate the LCM of 13945 and 13961.

LCM(13945,13961) = 5¹ × 2789¹ × 23¹ × 607¹
LCM(13945,13961) = 194686145