What is the Least Common Multiple of 30289 and 30305?

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 30289 and 30305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30289 and 30305, than apply into the LCM equation.

GCF(30289,30305) = 1
LCM(30289,30305) = ( 30289 × 30305) / 1
LCM(30289,30305) = 917908145 / 1
LCM(30289,30305) = 917908145

Least Common Multiple (LCM) of 30289 and 30305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30289 and 30305. First we will calculate the prime factors of 30289 and 30305.

Prime Factorization of 30289

Prime Factorization of 30305

Now multiplying the highest exponent prime factors to calculate the LCM of 30289 and 30305.

LCM(30289,30305) = 7¹ × 4327¹ × 5¹ × 11¹ × 19¹ × 29¹
LCM(30289,30305) = 917908145