What is the Least Common Multiple of 77168 and 77181?

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 77168 and 77181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77168 and 77181, than apply into the LCM equation.

GCF(77168,77181) = 13
LCM(77168,77181) = ( 77168 × 77181) / 13
LCM(77168,77181) = 5955903408 / 13
LCM(77168,77181) = 458146416

Least Common Multiple (LCM) of 77168 and 77181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77168 and 77181. First we will calculate the prime factors of 77168 and 77181.

Prime Factorization of 77168

Prime Factorization of 77181

Now multiplying the highest exponent prime factors to calculate the LCM of 77168 and 77181.

LCM(77168,77181) = 2⁴ × 7¹ × 13¹ × 53¹ × 3¹ × 1979¹
LCM(77168,77181) = 458146416