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What is the Least Common Multiple of 87374 and 87381?

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 87374 and 87381 is 1090689642.

LCM(87374,87381) = 1090689642

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Least Common Multiple of 87374 and 87381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87374 and 87381, than apply into the LCM equation.

GCF(87374,87381) = 7
LCM(87374,87381) = ( 87374 × 87381) / 7
LCM(87374,87381) = 7634827494 / 7
LCM(87374,87381) = 1090689642

Least Common Multiple (LCM) of 87374 and 87381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87374 and 87381. First we will calculate the prime factors of 87374 and 87381.

Prime Factorization of 87374

Prime factors of 87374 are 2, 7, 79. Prime factorization of 87374 in exponential form is:

87374 = 21 × 71 × 792

Prime Factorization of 87381

Prime factors of 87381 are 3, 7, 19, 73. Prime factorization of 87381 in exponential form is:

87381 = 32 × 71 × 191 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 87374 and 87381.

LCM(87374,87381) = 21 × 71 × 792 × 32 × 191 × 731
LCM(87374,87381) = 1090689642