Question

14. The product of three consecutive numbers is
divisible by 6. Verify this statement with the help
of an example in which one number is 15.
15. The sum of two consecutive odd numbers is divisible
by 4. Verify the statement by taking any two
consecutive odd numbers having one number as 21.
16. Determine if 23100 is divisible by 33.
17. Find the smallest number, having four different
prime factors​

Answer 1

Answer:

Step-by-step explanation:

a) 15 + 16 + 17= 48

(verification: 48 divided by 6 is 8)

b) 21 + 23 = 44

(verification: 44 divided by 4 is 11)

c) 2300 ÷ 33 = 700

(cannot show my working)

d) 210

(2 x 3 x 5 x 7 = 210)

Answer 2

Co-prime number is a set of numbers or integers which have only 1 as their common factor i.e. their highest common factor (HCF) will be 1.

Numbers are also known as relatively prime or mutually prime numbers.