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What is the Least Common Multiple of 29971 and 29987?

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 29971 and 29987 is 898740377.

LCM(29971,29987) = 898740377

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Least Common Multiple of 29971 and 29987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29971 and 29987, than apply into the LCM equation.

GCF(29971,29987) = 1
LCM(29971,29987) = ( 29971 × 29987) / 1
LCM(29971,29987) = 898740377 / 1
LCM(29971,29987) = 898740377

Least Common Multiple (LCM) of 29971 and 29987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29971 and 29987. First we will calculate the prime factors of 29971 and 29987.

Prime Factorization of 29971

Prime factors of 29971 are 17, 41, 43. Prime factorization of 29971 in exponential form is:

29971 = 171 × 411 × 431

Prime Factorization of 29987

Prime factors of 29987 are 157, 191. Prime factorization of 29987 in exponential form is:

29987 = 1571 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 29971 and 29987.

LCM(29971,29987) = 171 × 411 × 431 × 1571 × 1911
LCM(29971,29987) = 898740377