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What is the Least Common Multiple of 31450 and 31461?

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 31450 and 31461 is 989448450.

LCM(31450,31461) = 989448450

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Least Common Multiple of 31450 and 31461 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31450 and 31461, than apply into the LCM equation.

GCF(31450,31461) = 1
LCM(31450,31461) = ( 31450 × 31461) / 1
LCM(31450,31461) = 989448450 / 1
LCM(31450,31461) = 989448450

Least Common Multiple (LCM) of 31450 and 31461 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31450 and 31461. First we will calculate the prime factors of 31450 and 31461.

Prime Factorization of 31450

Prime factors of 31450 are 2, 5, 17, 37. Prime factorization of 31450 in exponential form is:

31450 = 21 × 52 × 171 × 371

Prime Factorization of 31461

Prime factors of 31461 are 3, 10487. Prime factorization of 31461 in exponential form is:

31461 = 31 × 104871

Now multiplying the highest exponent prime factors to calculate the LCM of 31450 and 31461.

LCM(31450,31461) = 21 × 52 × 171 × 371 × 31 × 104871
LCM(31450,31461) = 989448450