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What is the Least Common Multiple of 39746 and 39764?

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 39746 and 39764 is 790229972.

LCM(39746,39764) = 790229972

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Least Common Multiple of 39746 and 39764 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39746 and 39764, than apply into the LCM equation.

GCF(39746,39764) = 2
LCM(39746,39764) = ( 39746 × 39764) / 2
LCM(39746,39764) = 1580459944 / 2
LCM(39746,39764) = 790229972

Least Common Multiple (LCM) of 39746 and 39764 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39746 and 39764. First we will calculate the prime factors of 39746 and 39764.

Prime Factorization of 39746

Prime factors of 39746 are 2, 7, 17, 167. Prime factorization of 39746 in exponential form is:

39746 = 21 × 71 × 171 × 1671

Prime Factorization of 39764

Prime factors of 39764 are 2, 9941. Prime factorization of 39764 in exponential form is:

39764 = 22 × 99411

Now multiplying the highest exponent prime factors to calculate the LCM of 39746 and 39764.

LCM(39746,39764) = 22 × 71 × 171 × 1671 × 99411
LCM(39746,39764) = 790229972