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What is the Least Common Multiple of 7685 and 7702?

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 7685 and 7702 is 59189870.

LCM(7685,7702) = 59189870

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Least Common Multiple of 7685 and 7702 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7685 and 7702, than apply into the LCM equation.

GCF(7685,7702) = 1
LCM(7685,7702) = ( 7685 × 7702) / 1
LCM(7685,7702) = 59189870 / 1
LCM(7685,7702) = 59189870

Least Common Multiple (LCM) of 7685 and 7702 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7685 and 7702. First we will calculate the prime factors of 7685 and 7702.

Prime Factorization of 7685

Prime factors of 7685 are 5, 29, 53. Prime factorization of 7685 in exponential form is:

7685 = 51 × 291 × 531

Prime Factorization of 7702

Prime factors of 7702 are 2, 3851. Prime factorization of 7702 in exponential form is:

7702 = 21 × 38511

Now multiplying the highest exponent prime factors to calculate the LCM of 7685 and 7702.

LCM(7685,7702) = 51 × 291 × 531 × 21 × 38511
LCM(7685,7702) = 59189870