Question

Q1. Find the HCF of
40, 100, 200 by prime factorisation.

Q2.Find the LCM of
125, 235, 345 by division method.

Q3. Check whether
123456789 is divisible by 11 using rules.

Q4. Fond the common factors of 500 and 1000

Q5. Find the first five common multiples of
20, 30 and 50​

Answer 1

Answer:

1. 400

2. 5403

3. No

4. 1,2,4,5,10,20,25,50,100,125,250,500

5. (sorry I can't do this)