What is the Least Common Multiple of 28945 and 28949?

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 28945 and 28949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28945 and 28949, than apply into the LCM equation.

GCF(28945,28949) = 1
LCM(28945,28949) = ( 28945 × 28949) / 1
LCM(28945,28949) = 837928805 / 1
LCM(28945,28949) = 837928805

Least Common Multiple (LCM) of 28945 and 28949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28945 and 28949. First we will calculate the prime factors of 28945 and 28949.

Prime Factorization of 28945

Prime Factorization of 28949

Now multiplying the highest exponent prime factors to calculate the LCM of 28945 and 28949.

LCM(28945,28949) = 5¹ × 7¹ × 827¹ × 28949¹
LCM(28945,28949) = 837928805