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What is the Least Common Multiple of 17974 and 17979?

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 17974 and 17979 is 323154546.

LCM(17974,17979) = 323154546

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Least Common Multiple of 17974 and 17979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17974 and 17979, than apply into the LCM equation.

GCF(17974,17979) = 1
LCM(17974,17979) = ( 17974 × 17979) / 1
LCM(17974,17979) = 323154546 / 1
LCM(17974,17979) = 323154546

Least Common Multiple (LCM) of 17974 and 17979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17974 and 17979. First we will calculate the prime factors of 17974 and 17979.

Prime Factorization of 17974

Prime factors of 17974 are 2, 11, 19, 43. Prime factorization of 17974 in exponential form is:

17974 = 21 × 111 × 191 × 431

Prime Factorization of 17979

Prime factors of 17979 are 3, 13, 461. Prime factorization of 17979 in exponential form is:

17979 = 31 × 131 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 17974 and 17979.

LCM(17974,17979) = 21 × 111 × 191 × 431 × 31 × 131 × 4611
LCM(17974,17979) = 323154546