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What is the Least Common Multiple of 23961 and 23980?

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 23961 and 23980 is 574584780.

LCM(23961,23980) = 574584780

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Least Common Multiple of 23961 and 23980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23961 and 23980, than apply into the LCM equation.

GCF(23961,23980) = 1
LCM(23961,23980) = ( 23961 × 23980) / 1
LCM(23961,23980) = 574584780 / 1
LCM(23961,23980) = 574584780

Least Common Multiple (LCM) of 23961 and 23980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23961 and 23980. First we will calculate the prime factors of 23961 and 23980.

Prime Factorization of 23961

Prime factors of 23961 are 3, 7, 163. Prime factorization of 23961 in exponential form is:

23961 = 31 × 72 × 1631

Prime Factorization of 23980

Prime factors of 23980 are 2, 5, 11, 109. Prime factorization of 23980 in exponential form is:

23980 = 22 × 51 × 111 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 23961 and 23980.

LCM(23961,23980) = 31 × 72 × 1631 × 22 × 51 × 111 × 1091
LCM(23961,23980) = 574584780