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What is the Least Common Multiple of 87626 and 87642?

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 87626 and 87642 is 3839858946.

LCM(87626,87642) = 3839858946

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Least Common Multiple of 87626 and 87642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87626 and 87642, than apply into the LCM equation.

GCF(87626,87642) = 2
LCM(87626,87642) = ( 87626 × 87642) / 2
LCM(87626,87642) = 7679717892 / 2
LCM(87626,87642) = 3839858946

Least Common Multiple (LCM) of 87626 and 87642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87626 and 87642. First we will calculate the prime factors of 87626 and 87642.

Prime Factorization of 87626

Prime factors of 87626 are 2, 7, 11, 569. Prime factorization of 87626 in exponential form is:

87626 = 21 × 71 × 111 × 5691

Prime Factorization of 87642

Prime factors of 87642 are 2, 3, 541. Prime factorization of 87642 in exponential form is:

87642 = 21 × 34 × 5411

Now multiplying the highest exponent prime factors to calculate the LCM of 87626 and 87642.

LCM(87626,87642) = 21 × 71 × 111 × 5691 × 34 × 5411
LCM(87626,87642) = 3839858946