What is the Least Common Multiple of 7072 and 7085?

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 7072 and 7085 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7072 and 7085, than apply into the LCM equation.

GCF(7072,7085) = 13
LCM(7072,7085) = ( 7072 × 7085) / 13
LCM(7072,7085) = 50105120 / 13
LCM(7072,7085) = 3854240

Least Common Multiple (LCM) of 7072 and 7085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7072 and 7085. First we will calculate the prime factors of 7072 and 7085.

Prime Factorization of 7072

Prime Factorization of 7085

Now multiplying the highest exponent prime factors to calculate the LCM of 7072 and 7085.

LCM(7072,7085) = 2⁵ × 13¹ × 17¹ × 5¹ × 109¹
LCM(7072,7085) = 3854240