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What is the Least Common Multiple of 61661 and 61674?

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 61661 and 61674 is 3802880514.

LCM(61661,61674) = 3802880514

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Least Common Multiple of 61661 and 61674 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61661 and 61674, than apply into the LCM equation.

GCF(61661,61674) = 1
LCM(61661,61674) = ( 61661 × 61674) / 1
LCM(61661,61674) = 3802880514 / 1
LCM(61661,61674) = 3802880514

Least Common Multiple (LCM) of 61661 and 61674 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61661 and 61674. First we will calculate the prime factors of 61661 and 61674.

Prime Factorization of 61661

Prime factors of 61661 are 197, 313. Prime factorization of 61661 in exponential form is:

61661 = 1971 × 3131

Prime Factorization of 61674

Prime factors of 61674 are 2, 3, 19, 541. Prime factorization of 61674 in exponential form is:

61674 = 21 × 31 × 191 × 5411

Now multiplying the highest exponent prime factors to calculate the LCM of 61661 and 61674.

LCM(61661,61674) = 1971 × 3131 × 21 × 31 × 191 × 5411
LCM(61661,61674) = 3802880514