What is the Least Common Multiple of 69979 and 69989?

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 69979 and 69989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69979 and 69989, than apply into the LCM equation.

GCF(69979,69989) = 1
LCM(69979,69989) = ( 69979 × 69989) / 1
LCM(69979,69989) = 4897760231 / 1
LCM(69979,69989) = 4897760231

Least Common Multiple (LCM) of 69979 and 69989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69979 and 69989. First we will calculate the prime factors of 69979 and 69989.

Prime Factorization of 69979

Prime Factorization of 69989

Now multiplying the highest exponent prime factors to calculate the LCM of 69979 and 69989.

LCM(69979,69989) = 7¹ × 13¹ × 769¹ × 17¹ × 23¹ × 179¹
LCM(69979,69989) = 4897760231