GCF and LCM Calculator Logo

What is the Least Common Multiple of 74809 and 74816?

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 74809 and 74816 is 799558592.

LCM(74809,74816) = 799558592

LCM Calculator and
and

Least Common Multiple of 74809 and 74816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74809 and 74816, than apply into the LCM equation.

GCF(74809,74816) = 7
LCM(74809,74816) = ( 74809 × 74816) / 7
LCM(74809,74816) = 5596910144 / 7
LCM(74809,74816) = 799558592

Least Common Multiple (LCM) of 74809 and 74816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74809 and 74816. First we will calculate the prime factors of 74809 and 74816.

Prime Factorization of 74809

Prime factors of 74809 are 7, 10687. Prime factorization of 74809 in exponential form is:

74809 = 71 × 106871

Prime Factorization of 74816

Prime factors of 74816 are 2, 7, 167. Prime factorization of 74816 in exponential form is:

74816 = 26 × 71 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 74809 and 74816.

LCM(74809,74816) = 71 × 106871 × 26 × 1671
LCM(74809,74816) = 799558592