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What is the Least Common Multiple of 31623 and 31642?

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 31623 and 31642 is 1000614966.

LCM(31623,31642) = 1000614966

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Least Common Multiple of 31623 and 31642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31623 and 31642, than apply into the LCM equation.

GCF(31623,31642) = 1
LCM(31623,31642) = ( 31623 × 31642) / 1
LCM(31623,31642) = 1000614966 / 1
LCM(31623,31642) = 1000614966

Least Common Multiple (LCM) of 31623 and 31642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31623 and 31642. First we will calculate the prime factors of 31623 and 31642.

Prime Factorization of 31623

Prime factors of 31623 are 3, 83, 127. Prime factorization of 31623 in exponential form is:

31623 = 31 × 831 × 1271

Prime Factorization of 31642

Prime factors of 31642 are 2, 13, 1217. Prime factorization of 31642 in exponential form is:

31642 = 21 × 131 × 12171

Now multiplying the highest exponent prime factors to calculate the LCM of 31623 and 31642.

LCM(31623,31642) = 31 × 831 × 1271 × 21 × 131 × 12171
LCM(31623,31642) = 1000614966