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What is the Least Common Multiple of 15434 and 15451?

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 15434 and 15451 is 238470734.

LCM(15434,15451) = 238470734

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Least Common Multiple of 15434 and 15451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15434 and 15451, than apply into the LCM equation.

GCF(15434,15451) = 1
LCM(15434,15451) = ( 15434 × 15451) / 1
LCM(15434,15451) = 238470734 / 1
LCM(15434,15451) = 238470734

Least Common Multiple (LCM) of 15434 and 15451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15434 and 15451. First we will calculate the prime factors of 15434 and 15451.

Prime Factorization of 15434

Prime factors of 15434 are 2, 7717. Prime factorization of 15434 in exponential form is:

15434 = 21 × 77171

Prime Factorization of 15451

Prime factors of 15451 are 15451. Prime factorization of 15451 in exponential form is:

15451 = 154511

Now multiplying the highest exponent prime factors to calculate the LCM of 15434 and 15451.

LCM(15434,15451) = 21 × 77171 × 154511
LCM(15434,15451) = 238470734