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What is the Least Common Multiple of 65571 and 65582?

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 65571 and 65582 is 390934302.

LCM(65571,65582) = 390934302

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Least Common Multiple of 65571 and 65582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65571 and 65582, than apply into the LCM equation.

GCF(65571,65582) = 11
LCM(65571,65582) = ( 65571 × 65582) / 11
LCM(65571,65582) = 4300277322 / 11
LCM(65571,65582) = 390934302

Least Common Multiple (LCM) of 65571 and 65582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65571 and 65582. First we will calculate the prime factors of 65571 and 65582.

Prime Factorization of 65571

Prime factors of 65571 are 3, 11, 1987. Prime factorization of 65571 in exponential form is:

65571 = 31 × 111 × 19871

Prime Factorization of 65582

Prime factors of 65582 are 2, 11, 271. Prime factorization of 65582 in exponential form is:

65582 = 21 × 112 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 65571 and 65582.

LCM(65571,65582) = 31 × 112 × 19871 × 21 × 2711
LCM(65571,65582) = 390934302