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What is the Least Common Multiple of 65564 and 65574?

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 65564 and 65574 is 2149646868.

LCM(65564,65574) = 2149646868

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Least Common Multiple of 65564 and 65574 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65564 and 65574, than apply into the LCM equation.

GCF(65564,65574) = 2
LCM(65564,65574) = ( 65564 × 65574) / 2
LCM(65564,65574) = 4299293736 / 2
LCM(65564,65574) = 2149646868

Least Common Multiple (LCM) of 65564 and 65574 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65564 and 65574. First we will calculate the prime factors of 65564 and 65574.

Prime Factorization of 65564

Prime factors of 65564 are 2, 37, 443. Prime factorization of 65564 in exponential form is:

65564 = 22 × 371 × 4431

Prime Factorization of 65574

Prime factors of 65574 are 2, 3, 3643. Prime factorization of 65574 in exponential form is:

65574 = 21 × 32 × 36431

Now multiplying the highest exponent prime factors to calculate the LCM of 65564 and 65574.

LCM(65564,65574) = 22 × 371 × 4431 × 32 × 36431
LCM(65564,65574) = 2149646868