Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {27, 13, 11, 12, 8, 29} → ______
- Prime numbers in {5, 27, 25, 2, 15, 9} → ______
- Prime numbers in {11, 13, 8, 29, 25, 12} → ______
- Prime numbers in {21, 8, 3, 2, 5, 27} → ______
- Prime numbers in {21, 12, 11, 25, 8, 17} → ______
- Prime numbers in {21, 2, 15, 3, 29, 17} → ______
- Prime numbers in {21, 15, 5, 12, 9, 3} → ______
- Prime numbers in {17, 15, 25, 9, 19, 12} → ______
- Prime numbers in {25, 12, 8, 7, 21, 11} → ______
- Prime numbers in {9, 11, 23, 21, 17, 13} → ______
- Prime numbers in {3, 29, 11, 23, 15, 13} → ______
- Prime numbers in {17, 23, 8, 29, 12, 9} → ______
- Prime numbers in {5, 19, 9, 13, 23, 21} → ______
- Prime numbers in {5, 15, 7, 12, 21, 9} → ______
- Prime numbers in {21, 12, 5, 8, 7, 27} → ______
- Prime numbers in {17, 12, 23, 15, 19, 11} → ______
- Prime numbers in {11, 5, 25, 3, 21, 9} → ______
- Prime numbers in {3, 8, 21, 27, 25, 23} → ______
- Prime numbers in {9, 13, 11, 21, 8, 23} → ______
- Prime numbers in {5, 17, 7, 11, 19, 15} → ______