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What is the Least Common Multiple of 15958 and 15962?

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 15958 and 15962 is 127360798.

LCM(15958,15962) = 127360798

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Least Common Multiple of 15958 and 15962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15958 and 15962, than apply into the LCM equation.

GCF(15958,15962) = 2
LCM(15958,15962) = ( 15958 × 15962) / 2
LCM(15958,15962) = 254721596 / 2
LCM(15958,15962) = 127360798

Least Common Multiple (LCM) of 15958 and 15962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15958 and 15962. First we will calculate the prime factors of 15958 and 15962.

Prime Factorization of 15958

Prime factors of 15958 are 2, 79, 101. Prime factorization of 15958 in exponential form is:

15958 = 21 × 791 × 1011

Prime Factorization of 15962

Prime factors of 15962 are 2, 23, 347. Prime factorization of 15962 in exponential form is:

15962 = 21 × 231 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 15958 and 15962.

LCM(15958,15962) = 21 × 791 × 1011 × 231 × 3471
LCM(15958,15962) = 127360798