GCF and LCM Calculator Logo

What is the Least Common Multiple of 63609 and 63615?

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 63609 and 63615 is 1348828845.

LCM(63609,63615) = 1348828845

LCM Calculator and
and

Least Common Multiple of 63609 and 63615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63609 and 63615, than apply into the LCM equation.

GCF(63609,63615) = 3
LCM(63609,63615) = ( 63609 × 63615) / 3
LCM(63609,63615) = 4046486535 / 3
LCM(63609,63615) = 1348828845

Least Common Multiple (LCM) of 63609 and 63615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63609 and 63615. First we will calculate the prime factors of 63609 and 63615.

Prime Factorization of 63609

Prime factors of 63609 are 3, 7, 13, 233. Prime factorization of 63609 in exponential form is:

63609 = 31 × 71 × 131 × 2331

Prime Factorization of 63615

Prime factors of 63615 are 3, 5, 4241. Prime factorization of 63615 in exponential form is:

63615 = 31 × 51 × 42411

Now multiplying the highest exponent prime factors to calculate the LCM of 63609 and 63615.

LCM(63609,63615) = 31 × 71 × 131 × 2331 × 51 × 42411
LCM(63609,63615) = 1348828845