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What is the Least Common Multiple of 40749 and 40765?

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 40749 and 40765 is 1661132985.

LCM(40749,40765) = 1661132985

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Least Common Multiple of 40749 and 40765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40749 and 40765, than apply into the LCM equation.

GCF(40749,40765) = 1
LCM(40749,40765) = ( 40749 × 40765) / 1
LCM(40749,40765) = 1661132985 / 1
LCM(40749,40765) = 1661132985

Least Common Multiple (LCM) of 40749 and 40765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40749 and 40765. First we will calculate the prime factors of 40749 and 40765.

Prime Factorization of 40749

Prime factors of 40749 are 3, 17, 47. Prime factorization of 40749 in exponential form is:

40749 = 31 × 172 × 471

Prime Factorization of 40765

Prime factors of 40765 are 5, 31, 263. Prime factorization of 40765 in exponential form is:

40765 = 51 × 311 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 40749 and 40765.

LCM(40749,40765) = 31 × 172 × 471 × 51 × 311 × 2631
LCM(40749,40765) = 1661132985