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What is the Least Common Multiple of 15674 and 15682?

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 15674 and 15682 is 122899834.

LCM(15674,15682) = 122899834

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Least Common Multiple of 15674 and 15682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15674 and 15682, than apply into the LCM equation.

GCF(15674,15682) = 2
LCM(15674,15682) = ( 15674 × 15682) / 2
LCM(15674,15682) = 245799668 / 2
LCM(15674,15682) = 122899834

Least Common Multiple (LCM) of 15674 and 15682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15674 and 15682. First we will calculate the prime factors of 15674 and 15682.

Prime Factorization of 15674

Prime factors of 15674 are 2, 17, 461. Prime factorization of 15674 in exponential form is:

15674 = 21 × 171 × 4611

Prime Factorization of 15682

Prime factors of 15682 are 2, 7841. Prime factorization of 15682 in exponential form is:

15682 = 21 × 78411

Now multiplying the highest exponent prime factors to calculate the LCM of 15674 and 15682.

LCM(15674,15682) = 21 × 171 × 4611 × 78411
LCM(15674,15682) = 122899834