What is the Least Common Multiple of 69905 and 69918?

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 69905 and 69918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69905 and 69918, than apply into the LCM equation.

GCF(69905,69918) = 1
LCM(69905,69918) = ( 69905 × 69918) / 1
LCM(69905,69918) = 4887617790 / 1
LCM(69905,69918) = 4887617790

Least Common Multiple (LCM) of 69905 and 69918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69905 and 69918. First we will calculate the prime factors of 69905 and 69918.

Prime Factorization of 69905

Prime Factorization of 69918

Now multiplying the highest exponent prime factors to calculate the LCM of 69905 and 69918.

LCM(69905,69918) = 5¹ × 11¹ × 31¹ × 41¹ × 2¹ × 3¹ × 43¹ × 271¹
LCM(69905,69918) = 4887617790