What is the Least Common Multiple of 91690 and 91696?

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 91690 and 91696 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91690 and 91696, than apply into the LCM equation.

GCF(91690,91696) = 2
LCM(91690,91696) = ( 91690 × 91696) / 2
LCM(91690,91696) = 8407606240 / 2
LCM(91690,91696) = 4203803120

Least Common Multiple (LCM) of 91690 and 91696 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91690 and 91696. First we will calculate the prime factors of 91690 and 91696.

Prime Factorization of 91690

Prime Factorization of 91696

Now multiplying the highest exponent prime factors to calculate the LCM of 91690 and 91696.

LCM(91690,91696) = 2⁴ × 5¹ × 53¹ × 173¹ × 11¹ × 521¹
LCM(91690,91696) = 4203803120