What is the Least Common Multiple of 91658 and 91668?

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 91658 and 91668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91658 and 91668, than apply into the LCM equation.

GCF(91658,91668) = 2
LCM(91658,91668) = ( 91658 × 91668) / 2
LCM(91658,91668) = 8402105544 / 2
LCM(91658,91668) = 4201052772

Least Common Multiple (LCM) of 91658 and 91668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91658 and 91668. First we will calculate the prime factors of 91658 and 91668.

Prime Factorization of 91658

Prime Factorization of 91668

Now multiplying the highest exponent prime factors to calculate the LCM of 91658 and 91668.

LCM(91658,91668) = 2² × 7¹ × 6547¹ × 3¹ × 7639¹
LCM(91658,91668) = 4201052772