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What is the Least Common Multiple of 65525 and 65540?

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 65525 and 65540 is 858901700.

LCM(65525,65540) = 858901700

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Least Common Multiple of 65525 and 65540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65525 and 65540, than apply into the LCM equation.

GCF(65525,65540) = 5
LCM(65525,65540) = ( 65525 × 65540) / 5
LCM(65525,65540) = 4294508500 / 5
LCM(65525,65540) = 858901700

Least Common Multiple (LCM) of 65525 and 65540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65525 and 65540. First we will calculate the prime factors of 65525 and 65540.

Prime Factorization of 65525

Prime factors of 65525 are 5, 2621. Prime factorization of 65525 in exponential form is:

65525 = 52 × 26211

Prime Factorization of 65540

Prime factors of 65540 are 2, 5, 29, 113. Prime factorization of 65540 in exponential form is:

65540 = 22 × 51 × 291 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 65525 and 65540.

LCM(65525,65540) = 52 × 26211 × 22 × 291 × 1131
LCM(65525,65540) = 858901700