What is the Least Common Multiple of 22155 and 22171?

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 22155 and 22171 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22155 and 22171, than apply into the LCM equation.

GCF(22155,22171) = 1
LCM(22155,22171) = ( 22155 × 22171) / 1
LCM(22155,22171) = 491198505 / 1
LCM(22155,22171) = 491198505

Least Common Multiple (LCM) of 22155 and 22171 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22155 and 22171. First we will calculate the prime factors of 22155 and 22171.

Prime Factorization of 22155

Prime Factorization of 22171

Now multiplying the highest exponent prime factors to calculate the LCM of 22155 and 22171.

LCM(22155,22171) = 3¹ × 5¹ × 7¹ × 211¹ × 22171¹
LCM(22155,22171) = 491198505