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What is the Least Common Multiple of 13958 and 13962?

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 13958 and 13962 is 97440798.

LCM(13958,13962) = 97440798

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Least Common Multiple of 13958 and 13962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13958 and 13962, than apply into the LCM equation.

GCF(13958,13962) = 2
LCM(13958,13962) = ( 13958 × 13962) / 2
LCM(13958,13962) = 194881596 / 2
LCM(13958,13962) = 97440798

Least Common Multiple (LCM) of 13958 and 13962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13958 and 13962. First we will calculate the prime factors of 13958 and 13962.

Prime Factorization of 13958

Prime factors of 13958 are 2, 7, 997. Prime factorization of 13958 in exponential form is:

13958 = 21 × 71 × 9971

Prime Factorization of 13962

Prime factors of 13962 are 2, 3, 13, 179. Prime factorization of 13962 in exponential form is:

13962 = 21 × 31 × 131 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 13958 and 13962.

LCM(13958,13962) = 21 × 71 × 9971 × 31 × 131 × 1791
LCM(13958,13962) = 97440798