GCF and LCM Calculator Logo

What is the Least Common Multiple of 79406 and 79421?

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 79406 and 79421 is 6306503926.

LCM(79406,79421) = 6306503926

LCM Calculator and
and

Least Common Multiple of 79406 and 79421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79406 and 79421, than apply into the LCM equation.

GCF(79406,79421) = 1
LCM(79406,79421) = ( 79406 × 79421) / 1
LCM(79406,79421) = 6306503926 / 1
LCM(79406,79421) = 6306503926

Least Common Multiple (LCM) of 79406 and 79421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79406 and 79421. First we will calculate the prime factors of 79406 and 79421.

Prime Factorization of 79406

Prime factors of 79406 are 2, 39703. Prime factorization of 79406 in exponential form is:

79406 = 21 × 397031

Prime Factorization of 79421

Prime factors of 79421 are 43, 1847. Prime factorization of 79421 in exponential form is:

79421 = 431 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 79406 and 79421.

LCM(79406,79421) = 21 × 397031 × 431 × 18471
LCM(79406,79421) = 6306503926