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What is the Least Common Multiple of 91783 and 91787?

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 91783 and 91787 is 8424486221.

LCM(91783,91787) = 8424486221

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Least Common Multiple of 91783 and 91787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91783 and 91787, than apply into the LCM equation.

GCF(91783,91787) = 1
LCM(91783,91787) = ( 91783 × 91787) / 1
LCM(91783,91787) = 8424486221 / 1
LCM(91783,91787) = 8424486221

Least Common Multiple (LCM) of 91783 and 91787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91783 and 91787. First we will calculate the prime factors of 91783 and 91787.

Prime Factorization of 91783

Prime factors of 91783 are 17, 5399. Prime factorization of 91783 in exponential form is:

91783 = 171 × 53991

Prime Factorization of 91787

Prime factors of 91787 are 263, 349. Prime factorization of 91787 in exponential form is:

91787 = 2631 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 91783 and 91787.

LCM(91783,91787) = 171 × 53991 × 2631 × 3491
LCM(91783,91787) = 8424486221