What is the Least Common Multiple of 91640 and 91649?

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 91640 and 91649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91640 and 91649, than apply into the LCM equation.

GCF(91640,91649) = 1
LCM(91640,91649) = ( 91640 × 91649) / 1
LCM(91640,91649) = 8398714360 / 1
LCM(91640,91649) = 8398714360

Least Common Multiple (LCM) of 91640 and 91649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91640 and 91649. First we will calculate the prime factors of 91640 and 91649.

Prime Factorization of 91640

Prime Factorization of 91649

Now multiplying the highest exponent prime factors to calculate the LCM of 91640 and 91649.

LCM(91640,91649) = 2³ × 5¹ × 29¹ × 79¹ × 37¹ × 2477¹
LCM(91640,91649) = 8398714360