GCF and LCM Calculator Logo

What is the Least Common Multiple of 63961 and 63980?

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 63961 and 63980 is 4092224780.

LCM(63961,63980) = 4092224780

LCM Calculator and
and

Least Common Multiple of 63961 and 63980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63961 and 63980, than apply into the LCM equation.

GCF(63961,63980) = 1
LCM(63961,63980) = ( 63961 × 63980) / 1
LCM(63961,63980) = 4092224780 / 1
LCM(63961,63980) = 4092224780

Least Common Multiple (LCM) of 63961 and 63980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63961 and 63980. First we will calculate the prime factors of 63961 and 63980.

Prime Factorization of 63961

Prime factors of 63961 are 167, 383. Prime factorization of 63961 in exponential form is:

63961 = 1671 × 3831

Prime Factorization of 63980

Prime factors of 63980 are 2, 5, 7, 457. Prime factorization of 63980 in exponential form is:

63980 = 22 × 51 × 71 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 63961 and 63980.

LCM(63961,63980) = 1671 × 3831 × 22 × 51 × 71 × 4571
LCM(63961,63980) = 4092224780