GCF and LCM Calculator Logo

What is the Least Common Multiple of 78397 and 78414?

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 78397 and 78414 is 6147422358.

LCM(78397,78414) = 6147422358

LCM Calculator and
and

Least Common Multiple of 78397 and 78414 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78397 and 78414, than apply into the LCM equation.

GCF(78397,78414) = 1
LCM(78397,78414) = ( 78397 × 78414) / 1
LCM(78397,78414) = 6147422358 / 1
LCM(78397,78414) = 6147422358

Least Common Multiple (LCM) of 78397 and 78414 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78397 and 78414. First we will calculate the prime factors of 78397 and 78414.

Prime Factorization of 78397

Prime factors of 78397 are 11, 7127. Prime factorization of 78397 in exponential form is:

78397 = 111 × 71271

Prime Factorization of 78414

Prime factors of 78414 are 2, 3, 7, 1867. Prime factorization of 78414 in exponential form is:

78414 = 21 × 31 × 71 × 18671

Now multiplying the highest exponent prime factors to calculate the LCM of 78397 and 78414.

LCM(78397,78414) = 111 × 71271 × 21 × 31 × 71 × 18671
LCM(78397,78414) = 6147422358