GCF and LCM Calculator Logo

What is the Least Common Multiple of 78769 and 78778?

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 78769 and 78778 is 6205264282.

LCM(78769,78778) = 6205264282

LCM Calculator and
and

Least Common Multiple of 78769 and 78778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78769 and 78778, than apply into the LCM equation.

GCF(78769,78778) = 1
LCM(78769,78778) = ( 78769 × 78778) / 1
LCM(78769,78778) = 6205264282 / 1
LCM(78769,78778) = 6205264282

Least Common Multiple (LCM) of 78769 and 78778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78769 and 78778. First we will calculate the prime factors of 78769 and 78778.

Prime Factorization of 78769

Prime factors of 78769 are 227, 347. Prime factorization of 78769 in exponential form is:

78769 = 2271 × 3471

Prime Factorization of 78778

Prime factors of 78778 are 2, 7, 17, 331. Prime factorization of 78778 in exponential form is:

78778 = 21 × 71 × 171 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 78769 and 78778.

LCM(78769,78778) = 2271 × 3471 × 21 × 71 × 171 × 3311
LCM(78769,78778) = 6205264282