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What is the Least Common Multiple of 20958 and 20962?

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 20958 and 20962 is 219660798.

LCM(20958,20962) = 219660798

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Least Common Multiple of 20958 and 20962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20958 and 20962, than apply into the LCM equation.

GCF(20958,20962) = 2
LCM(20958,20962) = ( 20958 × 20962) / 2
LCM(20958,20962) = 439321596 / 2
LCM(20958,20962) = 219660798

Least Common Multiple (LCM) of 20958 and 20962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20958 and 20962. First we will calculate the prime factors of 20958 and 20962.

Prime Factorization of 20958

Prime factors of 20958 are 2, 3, 7, 499. Prime factorization of 20958 in exponential form is:

20958 = 21 × 31 × 71 × 4991

Prime Factorization of 20962

Prime factors of 20962 are 2, 47, 223. Prime factorization of 20962 in exponential form is:

20962 = 21 × 471 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 20958 and 20962.

LCM(20958,20962) = 21 × 31 × 71 × 4991 × 471 × 2231
LCM(20958,20962) = 219660798