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What is the Least Common Multiple of 77506 and 77520?

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 77506 and 77520 is 3004132560.

LCM(77506,77520) = 3004132560

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Least Common Multiple of 77506 and 77520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77506 and 77520, than apply into the LCM equation.

GCF(77506,77520) = 2
LCM(77506,77520) = ( 77506 × 77520) / 2
LCM(77506,77520) = 6008265120 / 2
LCM(77506,77520) = 3004132560

Least Common Multiple (LCM) of 77506 and 77520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77506 and 77520. First we will calculate the prime factors of 77506 and 77520.

Prime Factorization of 77506

Prime factors of 77506 are 2, 11, 13, 271. Prime factorization of 77506 in exponential form is:

77506 = 21 × 111 × 131 × 2711

Prime Factorization of 77520

Prime factors of 77520 are 2, 3, 5, 17, 19. Prime factorization of 77520 in exponential form is:

77520 = 24 × 31 × 51 × 171 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 77506 and 77520.

LCM(77506,77520) = 24 × 111 × 131 × 2711 × 31 × 51 × 171 × 191
LCM(77506,77520) = 3004132560