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What is the Least Common Multiple of 31622 and 31639?

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 31622 and 31639 is 1000488458.

LCM(31622,31639) = 1000488458

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Least Common Multiple of 31622 and 31639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31622 and 31639, than apply into the LCM equation.

GCF(31622,31639) = 1
LCM(31622,31639) = ( 31622 × 31639) / 1
LCM(31622,31639) = 1000488458 / 1
LCM(31622,31639) = 1000488458

Least Common Multiple (LCM) of 31622 and 31639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31622 and 31639. First we will calculate the prime factors of 31622 and 31639.

Prime Factorization of 31622

Prime factors of 31622 are 2, 97, 163. Prime factorization of 31622 in exponential form is:

31622 = 21 × 971 × 1631

Prime Factorization of 31639

Prime factors of 31639 are 29, 1091. Prime factorization of 31639 in exponential form is:

31639 = 291 × 10911

Now multiplying the highest exponent prime factors to calculate the LCM of 31622 and 31639.

LCM(31622,31639) = 21 × 971 × 1631 × 291 × 10911
LCM(31622,31639) = 1000488458