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What is the Least Common Multiple of 87763 and 87780?

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 87763 and 87780 is 7703836140.

LCM(87763,87780) = 7703836140

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Least Common Multiple of 87763 and 87780 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87763 and 87780, than apply into the LCM equation.

GCF(87763,87780) = 1
LCM(87763,87780) = ( 87763 × 87780) / 1
LCM(87763,87780) = 7703836140 / 1
LCM(87763,87780) = 7703836140

Least Common Multiple (LCM) of 87763 and 87780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87763 and 87780. First we will calculate the prime factors of 87763 and 87780.

Prime Factorization of 87763

Prime factors of 87763 are 13, 43, 157. Prime factorization of 87763 in exponential form is:

87763 = 131 × 431 × 1571

Prime Factorization of 87780

Prime factors of 87780 are 2, 3, 5, 7, 11, 19. Prime factorization of 87780 in exponential form is:

87780 = 22 × 31 × 51 × 71 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 87763 and 87780.

LCM(87763,87780) = 131 × 431 × 1571 × 22 × 31 × 51 × 71 × 111 × 191
LCM(87763,87780) = 7703836140