What is the Least Common Multiple of 30142 and 30149?

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 30142 and 30149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30142 and 30149, than apply into the LCM equation.

GCF(30142,30149) = 7
LCM(30142,30149) = ( 30142 × 30149) / 7
LCM(30142,30149) = 908751158 / 7
LCM(30142,30149) = 129821594

Least Common Multiple (LCM) of 30142 and 30149 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30142 and 30149. First we will calculate the prime factors of 30142 and 30149.

Prime Factorization of 30142

Prime Factorization of 30149

Now multiplying the highest exponent prime factors to calculate the LCM of 30142 and 30149.

LCM(30142,30149) = 2¹ × 7¹ × 2153¹ × 59¹ × 73¹
LCM(30142,30149) = 129821594