GCF and LCM Calculator Logo

What is the Least Common Multiple of 68561 and 68571?

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 68561 and 68571 is 4701296331.

LCM(68561,68571) = 4701296331

LCM Calculator and
and

Least Common Multiple of 68561 and 68571 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68561 and 68571, than apply into the LCM equation.

GCF(68561,68571) = 1
LCM(68561,68571) = ( 68561 × 68571) / 1
LCM(68561,68571) = 4701296331 / 1
LCM(68561,68571) = 4701296331

Least Common Multiple (LCM) of 68561 and 68571 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68561 and 68571. First we will calculate the prime factors of 68561 and 68571.

Prime Factorization of 68561

Prime factors of 68561 are 17, 37, 109. Prime factorization of 68561 in exponential form is:

68561 = 171 × 371 × 1091

Prime Factorization of 68571

Prime factors of 68571 are 3, 19, 401. Prime factorization of 68571 in exponential form is:

68571 = 32 × 191 × 4011

Now multiplying the highest exponent prime factors to calculate the LCM of 68561 and 68571.

LCM(68561,68571) = 171 × 371 × 1091 × 32 × 191 × 4011
LCM(68561,68571) = 4701296331