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What is the Least Common Multiple of 74205 and 74224?

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 74205 and 74224 is 5507791920.

LCM(74205,74224) = 5507791920

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Least Common Multiple of 74205 and 74224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74205 and 74224, than apply into the LCM equation.

GCF(74205,74224) = 1
LCM(74205,74224) = ( 74205 × 74224) / 1
LCM(74205,74224) = 5507791920 / 1
LCM(74205,74224) = 5507791920

Least Common Multiple (LCM) of 74205 and 74224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74205 and 74224. First we will calculate the prime factors of 74205 and 74224.

Prime Factorization of 74205

Prime factors of 74205 are 3, 5, 17, 97. Prime factorization of 74205 in exponential form is:

74205 = 32 × 51 × 171 × 971

Prime Factorization of 74224

Prime factors of 74224 are 2, 4639. Prime factorization of 74224 in exponential form is:

74224 = 24 × 46391

Now multiplying the highest exponent prime factors to calculate the LCM of 74205 and 74224.

LCM(74205,74224) = 32 × 51 × 171 × 971 × 24 × 46391
LCM(74205,74224) = 5507791920