Home
Class 14
MATHS
The number 2xx3xx5xx7 xx11+1 is...

The number `2xx3xx5xx7 xx11+1` is

A

a prime number

B

not a prime,but power of a prime

C

not a power of a prime, but a composite even number

D

not a power of a prime, but a composite odd number

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

The H.C.F.of 2^(2)xx3^(3)xx5^(5),backslash2^(3)xx3^(2)xx5^(2)xx7 and 2^(4)xx3^(4)xx5xx7^(2)xx11 is 2^(2)xx3^(2)xx5(b)2^(2)xx3^(2)xx5xx7xx11(c)2^(4)xx3^(4)xx5^(5) (d) 2^(4)xx3^(4)xx5^(5)xx7xx11

Explain why   3 xx 5 xx 7 xx 9 xx 11 +11   is a composite number.

Show that each of the following sisa composite number . (i) 5xx 11xx 13 +13 (ii) 6xx 5xx 4xx 3xx2xx1+5

How many non-prime factors are in the number N=2^(5)xx3^(7)xx9^(2)xx11^(4)xx13^(3)

The L.C.M.of 2^(3)xx3^(2)xx5xx11,backslash backslash2^(4)xx3^(4)xx5^(2)xx7 and 2^(5)xx3^(3)xx5^(3)xx7^(2)xx11 is 2^(3)xx3^(2)xx5 (b) 2^(5)xx3^(4)xx5^(3)(c)2^(3)xx3^(2)xx5xx7xx11(d)2^(5)xx3^(4)xx5^(3)xx7^(2)xx11

Explain why: 1xx2xx3xx5xx7+3xx7 is a composite number.

The H.C.F. of 2^4xx3^2xx5^3xx7, 2^3xx3^3xx5^2xx7^2 and 3xx5xx7xx11 is (a) 105 (b) 1155 (c) 2310 (d) 27720

Find the LCM of (2^5 xx 3 xx 5^2 xx 7) (2^4 xx 3^3 xx 5 xx 7^2 xx 11) and (2 xx 3^5xx 5^4)

The unit place digit of H.C.F. of 2^(2)xx3^(2)xx5^(3)xx7,2^(3)xx3^(3)xx5^(2)xx7^(2) and 3xx5xx7xx11 is