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What is the Least Common Multiple of 75419 and 75438?

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 75419 and 75438 is 5689458522.

LCM(75419,75438) = 5689458522

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Least Common Multiple of 75419 and 75438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75419 and 75438, than apply into the LCM equation.

GCF(75419,75438) = 1
LCM(75419,75438) = ( 75419 × 75438) / 1
LCM(75419,75438) = 5689458522 / 1
LCM(75419,75438) = 5689458522

Least Common Multiple (LCM) of 75419 and 75438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75419 and 75438. First we will calculate the prime factors of 75419 and 75438.

Prime Factorization of 75419

Prime factors of 75419 are 53, 1423. Prime factorization of 75419 in exponential form is:

75419 = 531 × 14231

Prime Factorization of 75438

Prime factors of 75438 are 2, 3, 11, 127. Prime factorization of 75438 in exponential form is:

75438 = 21 × 33 × 111 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 75419 and 75438.

LCM(75419,75438) = 531 × 14231 × 21 × 33 × 111 × 1271
LCM(75419,75438) = 5689458522