Question

Show that 2x3x5x7x11+21 is composite number.​

Answer 1

Answer :-

• 11 (2×3×5×7+1)
• 11 (2×3×5×7+1) 11×211×1 ( Every number have 1 as its factor )
• 11 (2×3×5×7+1) 11×211×1 ( Every number have 1 as its factor ) So it has more than two factor than it is composite.

Hope it helps ❤️

Answer 2

Step-by-step explanation:

2331 :-1,3..2331 there are more than two factors so this number is composite