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What is the Least Common Multiple of 35708 and 35720?

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 35708 and 35720 is 318872440.

LCM(35708,35720) = 318872440

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Least Common Multiple of 35708 and 35720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 35708 and 35720, than apply into the LCM equation.

GCF(35708,35720) = 4
LCM(35708,35720) = ( 35708 × 35720) / 4
LCM(35708,35720) = 1275489760 / 4
LCM(35708,35720) = 318872440

Least Common Multiple (LCM) of 35708 and 35720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 35708 and 35720. First we will calculate the prime factors of 35708 and 35720.

Prime Factorization of 35708

Prime factors of 35708 are 2, 79, 113. Prime factorization of 35708 in exponential form is:

35708 = 22 × 791 × 1131

Prime Factorization of 35720

Prime factors of 35720 are 2, 5, 19, 47. Prime factorization of 35720 in exponential form is:

35720 = 23 × 51 × 191 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 35708 and 35720.

LCM(35708,35720) = 23 × 791 × 1131 × 51 × 191 × 471
LCM(35708,35720) = 318872440