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What is the Least Common Multiple of 76628 and 76636?

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 76628 and 76636 is 1468115852.

LCM(76628,76636) = 1468115852

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Least Common Multiple of 76628 and 76636 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76628 and 76636, than apply into the LCM equation.

GCF(76628,76636) = 4
LCM(76628,76636) = ( 76628 × 76636) / 4
LCM(76628,76636) = 5872463408 / 4
LCM(76628,76636) = 1468115852

Least Common Multiple (LCM) of 76628 and 76636 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76628 and 76636. First we will calculate the prime factors of 76628 and 76636.

Prime Factorization of 76628

Prime factors of 76628 are 2, 19157. Prime factorization of 76628 in exponential form is:

76628 = 22 × 191571

Prime Factorization of 76636

Prime factors of 76636 are 2, 7, 17, 23. Prime factorization of 76636 in exponential form is:

76636 = 22 × 72 × 171 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 76628 and 76636.

LCM(76628,76636) = 22 × 191571 × 72 × 171 × 231
LCM(76628,76636) = 1468115852