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What is the Least Common Multiple of 67642 and 67653?

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 67642 and 67653 is 4576184226.

LCM(67642,67653) = 4576184226

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Least Common Multiple of 67642 and 67653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67642 and 67653, than apply into the LCM equation.

GCF(67642,67653) = 1
LCM(67642,67653) = ( 67642 × 67653) / 1
LCM(67642,67653) = 4576184226 / 1
LCM(67642,67653) = 4576184226

Least Common Multiple (LCM) of 67642 and 67653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67642 and 67653. First we will calculate the prime factors of 67642 and 67653.

Prime Factorization of 67642

Prime factors of 67642 are 2, 31, 1091. Prime factorization of 67642 in exponential form is:

67642 = 21 × 311 × 10911

Prime Factorization of 67653

Prime factors of 67653 are 3, 7517. Prime factorization of 67653 in exponential form is:

67653 = 32 × 75171

Now multiplying the highest exponent prime factors to calculate the LCM of 67642 and 67653.

LCM(67642,67653) = 21 × 311 × 10911 × 32 × 75171
LCM(67642,67653) = 4576184226