GCF and LCM Calculator Logo

What is the Least Common Multiple of 78849 and 78860?

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 78849 and 78860 is 6218032140.

LCM(78849,78860) = 6218032140

LCM Calculator and
and

Least Common Multiple of 78849 and 78860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78849 and 78860, than apply into the LCM equation.

GCF(78849,78860) = 1
LCM(78849,78860) = ( 78849 × 78860) / 1
LCM(78849,78860) = 6218032140 / 1
LCM(78849,78860) = 6218032140

Least Common Multiple (LCM) of 78849 and 78860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78849 and 78860. First we will calculate the prime factors of 78849 and 78860.

Prime Factorization of 78849

Prime factors of 78849 are 3, 8761. Prime factorization of 78849 in exponential form is:

78849 = 32 × 87611

Prime Factorization of 78860

Prime factors of 78860 are 2, 5, 3943. Prime factorization of 78860 in exponential form is:

78860 = 22 × 51 × 39431

Now multiplying the highest exponent prime factors to calculate the LCM of 78849 and 78860.

LCM(78849,78860) = 32 × 87611 × 22 × 51 × 39431
LCM(78849,78860) = 6218032140