What is the Least Common Multiple of 47215 and 47222?

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 47215 and 47222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47215 and 47222, than apply into the LCM equation.

GCF(47215,47222) = 7
LCM(47215,47222) = ( 47215 × 47222) / 7
LCM(47215,47222) = 2229586730 / 7
LCM(47215,47222) = 318512390

Least Common Multiple (LCM) of 47215 and 47222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47215 and 47222. First we will calculate the prime factors of 47215 and 47222.

Prime Factorization of 47215

Prime Factorization of 47222

Now multiplying the highest exponent prime factors to calculate the LCM of 47215 and 47222.

LCM(47215,47222) = 5¹ × 7¹ × 19¹ × 71¹ × 2¹ × 3373¹
LCM(47215,47222) = 318512390