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What is the Least Common Multiple of 30641 and 30646?

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 30641 and 30646 is 939024086.

LCM(30641,30646) = 939024086

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Least Common Multiple of 30641 and 30646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30641 and 30646, than apply into the LCM equation.

GCF(30641,30646) = 1
LCM(30641,30646) = ( 30641 × 30646) / 1
LCM(30641,30646) = 939024086 / 1
LCM(30641,30646) = 939024086

Least Common Multiple (LCM) of 30641 and 30646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30641 and 30646. First we will calculate the prime factors of 30641 and 30646.

Prime Factorization of 30641

Prime factors of 30641 are 13, 2357. Prime factorization of 30641 in exponential form is:

30641 = 131 × 23571

Prime Factorization of 30646

Prime factors of 30646 are 2, 7, 11, 199. Prime factorization of 30646 in exponential form is:

30646 = 21 × 71 × 111 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 30641 and 30646.

LCM(30641,30646) = 131 × 23571 × 21 × 71 × 111 × 1991
LCM(30641,30646) = 939024086