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What is the Least Common Multiple of 30969 and 30985?

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 30969 and 30985 is 959574465.

LCM(30969,30985) = 959574465

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Least Common Multiple of 30969 and 30985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30969 and 30985, than apply into the LCM equation.

GCF(30969,30985) = 1
LCM(30969,30985) = ( 30969 × 30985) / 1
LCM(30969,30985) = 959574465 / 1
LCM(30969,30985) = 959574465

Least Common Multiple (LCM) of 30969 and 30985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30969 and 30985. First we will calculate the prime factors of 30969 and 30985.

Prime Factorization of 30969

Prime factors of 30969 are 3, 31, 37. Prime factorization of 30969 in exponential form is:

30969 = 33 × 311 × 371

Prime Factorization of 30985

Prime factors of 30985 are 5, 6197. Prime factorization of 30985 in exponential form is:

30985 = 51 × 61971

Now multiplying the highest exponent prime factors to calculate the LCM of 30969 and 30985.

LCM(30969,30985) = 33 × 311 × 371 × 51 × 61971
LCM(30969,30985) = 959574465