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What is the Least Common Multiple of 8740 and 8758?

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 8740 and 8758 is 38272460.

LCM(8740,8758) = 38272460

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Least Common Multiple of 8740 and 8758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8740 and 8758, than apply into the LCM equation.

GCF(8740,8758) = 2
LCM(8740,8758) = ( 8740 × 8758) / 2
LCM(8740,8758) = 76544920 / 2
LCM(8740,8758) = 38272460

Least Common Multiple (LCM) of 8740 and 8758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8740 and 8758. First we will calculate the prime factors of 8740 and 8758.

Prime Factorization of 8740

Prime factors of 8740 are 2, 5, 19, 23. Prime factorization of 8740 in exponential form is:

8740 = 22 × 51 × 191 × 231

Prime Factorization of 8758

Prime factors of 8758 are 2, 29, 151. Prime factorization of 8758 in exponential form is:

8758 = 21 × 291 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 8740 and 8758.

LCM(8740,8758) = 22 × 51 × 191 × 231 × 291 × 1511
LCM(8740,8758) = 38272460