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What is the Least Common Multiple of 87646 and 87656?

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 87646 and 87656 is 3841348888.

LCM(87646,87656) = 3841348888

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Least Common Multiple of 87646 and 87656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87646 and 87656, than apply into the LCM equation.

GCF(87646,87656) = 2
LCM(87646,87656) = ( 87646 × 87656) / 2
LCM(87646,87656) = 7682697776 / 2
LCM(87646,87656) = 3841348888

Least Common Multiple (LCM) of 87646 and 87656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87646 and 87656. First we will calculate the prime factors of 87646 and 87656.

Prime Factorization of 87646

Prime factors of 87646 are 2, 13, 3371. Prime factorization of 87646 in exponential form is:

87646 = 21 × 131 × 33711

Prime Factorization of 87656

Prime factors of 87656 are 2, 10957. Prime factorization of 87656 in exponential form is:

87656 = 23 × 109571

Now multiplying the highest exponent prime factors to calculate the LCM of 87646 and 87656.

LCM(87646,87656) = 23 × 131 × 33711 × 109571
LCM(87646,87656) = 3841348888