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What is the Least Common Multiple of 87770 and 87783?

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 87770 and 87783 is 7704713910.

LCM(87770,87783) = 7704713910

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Least Common Multiple of 87770 and 87783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87770 and 87783, than apply into the LCM equation.

GCF(87770,87783) = 1
LCM(87770,87783) = ( 87770 × 87783) / 1
LCM(87770,87783) = 7704713910 / 1
LCM(87770,87783) = 7704713910

Least Common Multiple (LCM) of 87770 and 87783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87770 and 87783. First we will calculate the prime factors of 87770 and 87783.

Prime Factorization of 87770

Prime factors of 87770 are 2, 5, 67, 131. Prime factorization of 87770 in exponential form is:

87770 = 21 × 51 × 671 × 1311

Prime Factorization of 87783

Prime factors of 87783 are 3, 29, 1009. Prime factorization of 87783 in exponential form is:

87783 = 31 × 291 × 10091

Now multiplying the highest exponent prime factors to calculate the LCM of 87770 and 87783.

LCM(87770,87783) = 21 × 51 × 671 × 1311 × 31 × 291 × 10091
LCM(87770,87783) = 7704713910