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What is the Least Common Multiple of 40796 and 40809?

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 40796 and 40809 is 1664843964.

LCM(40796,40809) = 1664843964

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Least Common Multiple of 40796 and 40809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40796 and 40809, than apply into the LCM equation.

GCF(40796,40809) = 1
LCM(40796,40809) = ( 40796 × 40809) / 1
LCM(40796,40809) = 1664843964 / 1
LCM(40796,40809) = 1664843964

Least Common Multiple (LCM) of 40796 and 40809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40796 and 40809. First we will calculate the prime factors of 40796 and 40809.

Prime Factorization of 40796

Prime factors of 40796 are 2, 7, 31, 47. Prime factorization of 40796 in exponential form is:

40796 = 22 × 71 × 311 × 471

Prime Factorization of 40809

Prime factors of 40809 are 3, 61, 223. Prime factorization of 40809 in exponential form is:

40809 = 31 × 611 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 40796 and 40809.

LCM(40796,40809) = 22 × 71 × 311 × 471 × 31 × 611 × 2231
LCM(40796,40809) = 1664843964