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What is the Least Common Multiple of 24780 and 24787?

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 24780 and 24787 is 87745980.

LCM(24780,24787) = 87745980

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Least Common Multiple of 24780 and 24787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 24780 and 24787, than apply into the LCM equation.

GCF(24780,24787) = 7
LCM(24780,24787) = ( 24780 × 24787) / 7
LCM(24780,24787) = 614221860 / 7
LCM(24780,24787) = 87745980

Least Common Multiple (LCM) of 24780 and 24787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 24780 and 24787. First we will calculate the prime factors of 24780 and 24787.

Prime Factorization of 24780

Prime factors of 24780 are 2, 3, 5, 7, 59. Prime factorization of 24780 in exponential form is:

24780 = 22 × 31 × 51 × 71 × 591

Prime Factorization of 24787

Prime factors of 24787 are 7, 3541. Prime factorization of 24787 in exponential form is:

24787 = 71 × 35411

Now multiplying the highest exponent prime factors to calculate the LCM of 24780 and 24787.

LCM(24780,24787) = 22 × 31 × 51 × 71 × 591 × 35411
LCM(24780,24787) = 87745980