GCF and LCM Calculator Logo

What is the Least Common Multiple of 74291 and 74309?

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 74291 and 74309 is 5520489919.

LCM(74291,74309) = 5520489919

LCM Calculator and
and

Least Common Multiple of 74291 and 74309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74291 and 74309, than apply into the LCM equation.

GCF(74291,74309) = 1
LCM(74291,74309) = ( 74291 × 74309) / 1
LCM(74291,74309) = 5520489919 / 1
LCM(74291,74309) = 5520489919

Least Common Multiple (LCM) of 74291 and 74309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74291 and 74309. First we will calculate the prime factors of 74291 and 74309.

Prime Factorization of 74291

Prime factors of 74291 are 7, 10613. Prime factorization of 74291 in exponential form is:

74291 = 71 × 106131

Prime Factorization of 74309

Prime factors of 74309 are 19, 3911. Prime factorization of 74309 in exponential form is:

74309 = 191 × 39111

Now multiplying the highest exponent prime factors to calculate the LCM of 74291 and 74309.

LCM(74291,74309) = 71 × 106131 × 191 × 39111
LCM(74291,74309) = 5520489919