GCF and LCM Calculator Logo

What is the Least Common Multiple of 39561 and 39575?

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 39561 and 39575 is 1565626575.

LCM(39561,39575) = 1565626575

LCM Calculator and
and

Least Common Multiple of 39561 and 39575 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39561 and 39575, than apply into the LCM equation.

GCF(39561,39575) = 1
LCM(39561,39575) = ( 39561 × 39575) / 1
LCM(39561,39575) = 1565626575 / 1
LCM(39561,39575) = 1565626575

Least Common Multiple (LCM) of 39561 and 39575 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39561 and 39575. First we will calculate the prime factors of 39561 and 39575.

Prime Factorization of 39561

Prime factors of 39561 are 3, 13187. Prime factorization of 39561 in exponential form is:

39561 = 31 × 131871

Prime Factorization of 39575

Prime factors of 39575 are 5, 1583. Prime factorization of 39575 in exponential form is:

39575 = 52 × 15831

Now multiplying the highest exponent prime factors to calculate the LCM of 39561 and 39575.

LCM(39561,39575) = 31 × 131871 × 52 × 15831
LCM(39561,39575) = 1565626575