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What is the Least Common Multiple of 76415 and 76422?

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 76415 and 76422 is 5839787130.

LCM(76415,76422) = 5839787130

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Least Common Multiple of 76415 and 76422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76415 and 76422, than apply into the LCM equation.

GCF(76415,76422) = 1
LCM(76415,76422) = ( 76415 × 76422) / 1
LCM(76415,76422) = 5839787130 / 1
LCM(76415,76422) = 5839787130

Least Common Multiple (LCM) of 76415 and 76422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76415 and 76422. First we will calculate the prime factors of 76415 and 76422.

Prime Factorization of 76415

Prime factors of 76415 are 5, 17, 29, 31. Prime factorization of 76415 in exponential form is:

76415 = 51 × 171 × 291 × 311

Prime Factorization of 76422

Prime factors of 76422 are 2, 3, 47, 271. Prime factorization of 76422 in exponential form is:

76422 = 21 × 31 × 471 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 76415 and 76422.

LCM(76415,76422) = 51 × 171 × 291 × 311 × 21 × 31 × 471 × 2711
LCM(76415,76422) = 5839787130