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What is the Least Common Multiple of 74503 and 74516?

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 74503 and 74516 is 427051196.

LCM(74503,74516) = 427051196

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Least Common Multiple of 74503 and 74516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74503 and 74516, than apply into the LCM equation.

GCF(74503,74516) = 13
LCM(74503,74516) = ( 74503 × 74516) / 13
LCM(74503,74516) = 5551665548 / 13
LCM(74503,74516) = 427051196

Least Common Multiple (LCM) of 74503 and 74516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74503 and 74516. First we will calculate the prime factors of 74503 and 74516.

Prime Factorization of 74503

Prime factors of 74503 are 11, 13, 521. Prime factorization of 74503 in exponential form is:

74503 = 111 × 131 × 5211

Prime Factorization of 74516

Prime factors of 74516 are 2, 13, 1433. Prime factorization of 74516 in exponential form is:

74516 = 22 × 131 × 14331

Now multiplying the highest exponent prime factors to calculate the LCM of 74503 and 74516.

LCM(74503,74516) = 111 × 131 × 5211 × 22 × 14331
LCM(74503,74516) = 427051196