What is the Least Common Multiple of 79678 and 79682?

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 of 79678 and 79682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79678 and 79682, than apply into the LCM equation.

GCF(79678,79682) = 2
LCM(79678,79682) = ( 79678 × 79682) / 2
LCM(79678,79682) = 6348902396 / 2
LCM(79678,79682) = 3174451198

Least Common Multiple (LCM) of 79678 and 79682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79678 and 79682. First we will calculate the prime factors of 79678 and 79682.

Prime Factorization of 79678

Prime Factorization of 79682

Now multiplying the highest exponent prime factors to calculate the LCM of 79678 and 79682.

LCM(79678,79682) = 2¹ × 39839¹ × 39841¹
LCM(79678,79682) = 3174451198