GCF and LCM Calculator Logo

What is the Least Common Multiple of 65665 and 65685?

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 65665 and 65685 is 862641105.

LCM(65665,65685) = 862641105

LCM Calculator and
and

Least Common Multiple of 65665 and 65685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65665 and 65685, than apply into the LCM equation.

GCF(65665,65685) = 5
LCM(65665,65685) = ( 65665 × 65685) / 5
LCM(65665,65685) = 4313205525 / 5
LCM(65665,65685) = 862641105

Least Common Multiple (LCM) of 65665 and 65685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65665 and 65685. First we will calculate the prime factors of 65665 and 65685.

Prime Factorization of 65665

Prime factors of 65665 are 5, 23, 571. Prime factorization of 65665 in exponential form is:

65665 = 51 × 231 × 5711

Prime Factorization of 65685

Prime factors of 65685 are 3, 5, 29, 151. Prime factorization of 65685 in exponential form is:

65685 = 31 × 51 × 291 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 65665 and 65685.

LCM(65665,65685) = 51 × 231 × 5711 × 31 × 291 × 1511
LCM(65665,65685) = 862641105