What is the Least Common Multiple of 42905 and 42925?

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 42905 and 42925 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42905 and 42925, than apply into the LCM equation.

GCF(42905,42925) = 5
LCM(42905,42925) = ( 42905 × 42925) / 5
LCM(42905,42925) = 1841697125 / 5
LCM(42905,42925) = 368339425

Least Common Multiple (LCM) of 42905 and 42925 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42905 and 42925. First we will calculate the prime factors of 42905 and 42925.

Prime Factorization of 42905

Prime Factorization of 42925

Now multiplying the highest exponent prime factors to calculate the LCM of 42905 and 42925.

LCM(42905,42925) = 5² × 8581¹ × 17¹ × 101¹
LCM(42905,42925) = 368339425