GCF and LCM Calculator Logo

What is the Least Common Multiple of 87419 and 87423?

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 87419 and 87423 is 7642431237.

LCM(87419,87423) = 7642431237

LCM Calculator and
and

Least Common Multiple of 87419 and 87423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87419 and 87423, than apply into the LCM equation.

GCF(87419,87423) = 1
LCM(87419,87423) = ( 87419 × 87423) / 1
LCM(87419,87423) = 7642431237 / 1
LCM(87419,87423) = 7642431237

Least Common Multiple (LCM) of 87419 and 87423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87419 and 87423. First we will calculate the prime factors of 87419 and 87423.

Prime Factorization of 87419

Prime factors of 87419 are 19, 43, 107. Prime factorization of 87419 in exponential form is:

87419 = 191 × 431 × 1071

Prime Factorization of 87423

Prime factors of 87423 are 3, 7, 23, 181. Prime factorization of 87423 in exponential form is:

87423 = 31 × 71 × 231 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 87419 and 87423.

LCM(87419,87423) = 191 × 431 × 1071 × 31 × 71 × 231 × 1811
LCM(87419,87423) = 7642431237