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What is the Least Common Multiple of 65515 and 65532?

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 65515 and 65532 is 4293328980.

LCM(65515,65532) = 4293328980

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Least Common Multiple of 65515 and 65532 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65515 and 65532, than apply into the LCM equation.

GCF(65515,65532) = 1
LCM(65515,65532) = ( 65515 × 65532) / 1
LCM(65515,65532) = 4293328980 / 1
LCM(65515,65532) = 4293328980

Least Common Multiple (LCM) of 65515 and 65532 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65515 and 65532. First we will calculate the prime factors of 65515 and 65532.

Prime Factorization of 65515

Prime factors of 65515 are 5, 13103. Prime factorization of 65515 in exponential form is:

65515 = 51 × 131031

Prime Factorization of 65532

Prime factors of 65532 are 2, 3, 43, 127. Prime factorization of 65532 in exponential form is:

65532 = 22 × 31 × 431 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 65515 and 65532.

LCM(65515,65532) = 51 × 131031 × 22 × 31 × 431 × 1271
LCM(65515,65532) = 4293328980