What is the Least Common Multiple of 7215 and 7223?

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 7215 and 7223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7215 and 7223, than apply into the LCM equation.

GCF(7215,7223) = 1
LCM(7215,7223) = ( 7215 × 7223) / 1
LCM(7215,7223) = 52113945 / 1
LCM(7215,7223) = 52113945

Least Common Multiple (LCM) of 7215 and 7223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7215 and 7223. First we will calculate the prime factors of 7215 and 7223.

Prime Factorization of 7215

Prime Factorization of 7223

Now multiplying the highest exponent prime factors to calculate the LCM of 7215 and 7223.

LCM(7215,7223) = 3¹ × 5¹ × 13¹ × 37¹ × 31¹ × 233¹
LCM(7215,7223) = 52113945