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What is the Least Common Multiple of 74221 and 74229?

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 74221 and 74229 is 5509350609.

LCM(74221,74229) = 5509350609

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Least Common Multiple of 74221 and 74229 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74221 and 74229, than apply into the LCM equation.

GCF(74221,74229) = 1
LCM(74221,74229) = ( 74221 × 74229) / 1
LCM(74221,74229) = 5509350609 / 1
LCM(74221,74229) = 5509350609

Least Common Multiple (LCM) of 74221 and 74229 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74221 and 74229. First we will calculate the prime factors of 74221 and 74229.

Prime Factorization of 74221

Prime factors of 74221 are 7, 23, 461. Prime factorization of 74221 in exponential form is:

74221 = 71 × 231 × 4611

Prime Factorization of 74229

Prime factors of 74229 are 3, 109, 227. Prime factorization of 74229 in exponential form is:

74229 = 31 × 1091 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 74221 and 74229.

LCM(74221,74229) = 71 × 231 × 4611 × 31 × 1091 × 2271
LCM(74221,74229) = 5509350609