GCF and LCM Calculator Logo

What is the Least Common Multiple of 72320 and 72334?

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 72320 and 72334 is 2615597440.

LCM(72320,72334) = 2615597440

LCM Calculator and
and

Least Common Multiple of 72320 and 72334 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72320 and 72334, than apply into the LCM equation.

GCF(72320,72334) = 2
LCM(72320,72334) = ( 72320 × 72334) / 2
LCM(72320,72334) = 5231194880 / 2
LCM(72320,72334) = 2615597440

Least Common Multiple (LCM) of 72320 and 72334 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72320 and 72334. First we will calculate the prime factors of 72320 and 72334.

Prime Factorization of 72320

Prime factors of 72320 are 2, 5, 113. Prime factorization of 72320 in exponential form is:

72320 = 27 × 51 × 1131

Prime Factorization of 72334

Prime factors of 72334 are 2, 59, 613. Prime factorization of 72334 in exponential form is:

72334 = 21 × 591 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 72320 and 72334.

LCM(72320,72334) = 27 × 51 × 1131 × 591 × 6131
LCM(72320,72334) = 2615597440