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What is the Least Common Multiple of 65430 and 65435?

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 65430 and 65435 is 856282410.

LCM(65430,65435) = 856282410

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Least Common Multiple of 65430 and 65435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65430 and 65435, than apply into the LCM equation.

GCF(65430,65435) = 5
LCM(65430,65435) = ( 65430 × 65435) / 5
LCM(65430,65435) = 4281412050 / 5
LCM(65430,65435) = 856282410

Least Common Multiple (LCM) of 65430 and 65435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65430 and 65435. First we will calculate the prime factors of 65430 and 65435.

Prime Factorization of 65430

Prime factors of 65430 are 2, 3, 5, 727. Prime factorization of 65430 in exponential form is:

65430 = 21 × 32 × 51 × 7271

Prime Factorization of 65435

Prime factors of 65435 are 5, 23, 569. Prime factorization of 65435 in exponential form is:

65435 = 51 × 231 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 65430 and 65435.

LCM(65430,65435) = 21 × 32 × 51 × 7271 × 231 × 5691
LCM(65430,65435) = 856282410