GCF and LCM Calculator Logo

What is the Least Common Multiple of 99561 and 99568?

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 (LCM) of 99561 and 99568 is 1416155664.

LCM(99561,99568) = 1416155664

LCM Calculator and
and

Least Common Multiple of 99561 and 99568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99561 and 99568, than apply into the LCM equation.

GCF(99561,99568) = 7
LCM(99561,99568) = ( 99561 × 99568) / 7
LCM(99561,99568) = 9913089648 / 7
LCM(99561,99568) = 1416155664

Least Common Multiple (LCM) of 99561 and 99568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99561 and 99568. First we will calculate the prime factors of 99561 and 99568.

Prime Factorization of 99561

Prime factors of 99561 are 3, 7, 11, 431. Prime factorization of 99561 in exponential form is:

99561 = 31 × 71 × 111 × 4311

Prime Factorization of 99568

Prime factors of 99568 are 2, 7, 127. Prime factorization of 99568 in exponential form is:

99568 = 24 × 72 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 99561 and 99568.

LCM(99561,99568) = 31 × 72 × 111 × 4311 × 24 × 1271
LCM(99561,99568) = 1416155664