Question

Q.2 Find the H. CF and L. C.F of the following.
430,516,817​

Answer 1

Answer:

H.C.F = 43

Step-by-step explanation:

Calculate Greatest Common Factor for :

   430, 516 and 817

Factorize of the above numbers :

   430 = 2 • 5 • 43  

   516 = 22 • 3 • 43  

   817 = 19 • 43  

Build a prime factors table

   Number of times each prime factor

   appears in the factorization of :

Prime  

Factor   Number  

430   Number  

516   Number  

817    G.C.F  

(min)  

2 1 2 0 0

3 0 1 0 0

5 1 0 0 0

19 0 0 1 0

43 1 1 1 1

HCF = 43

Answer 2

Step-by-step explanation:

430=2×5×43

516=2×2×3×43

817=19×43

HCF IS =43

LCM IS =43×2×5×3×19×2