What is the Least Common Multiple of 75105 and 75109?

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 75105 and 75109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75105 and 75109, than apply into the LCM equation.

GCF(75105,75109) = 1
LCM(75105,75109) = ( 75105 × 75109) / 1
LCM(75105,75109) = 5641061445 / 1
LCM(75105,75109) = 5641061445

Least Common Multiple (LCM) of 75105 and 75109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75105 and 75109. First we will calculate the prime factors of 75105 and 75109.

Prime Factorization of 75105

Prime Factorization of 75109

Now multiplying the highest exponent prime factors to calculate the LCM of 75105 and 75109.

LCM(75105,75109) = 3² × 5¹ × 1669¹ × 75109¹
LCM(75105,75109) = 5641061445