GCF and LCM Calculator Logo

What is the Least Common Multiple of 82172 and 82181?

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 (LCM) of 82172 and 82181 is 6752977132.

LCM(82172,82181) = 6752977132

LCM Calculator and
and

Least Common Multiple of 82172 and 82181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82172 and 82181, than apply into the LCM equation.

GCF(82172,82181) = 1
LCM(82172,82181) = ( 82172 × 82181) / 1
LCM(82172,82181) = 6752977132 / 1
LCM(82172,82181) = 6752977132

Least Common Multiple (LCM) of 82172 and 82181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82172 and 82181. First we will calculate the prime factors of 82172 and 82181.

Prime Factorization of 82172

Prime factors of 82172 are 2, 20543. Prime factorization of 82172 in exponential form is:

82172 = 22 × 205431

Prime Factorization of 82181

Prime factors of 82181 are 11, 31, 241. Prime factorization of 82181 in exponential form is:

82181 = 111 × 311 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 82172 and 82181.

LCM(82172,82181) = 22 × 205431 × 111 × 311 × 2411
LCM(82172,82181) = 6752977132