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 {7, 23, 12, 11, 3, 8} → ______
- Prime numbers in {11, 2, 13, 5, 19, 17} → ______
- Prime numbers in {17, 19, 5, 27, 21, 15} → ______
- Prime numbers in {17, 19, 3, 21, 13, 9} → ______
- Prime numbers in {3, 13, 9, 23, 17, 7} → ______
- Prime numbers in {15, 3, 9, 11, 21, 12} → ______
- Prime numbers in {7, 21, 11, 5, 17, 8} → ______
- Prime numbers in {25, 23, 21, 2, 29, 13} → ______
- Prime numbers in {25, 9, 17, 23, 5, 3} → ______
- Prime numbers in {3, 25, 17, 13, 5, 9} → ______
- Prime numbers in {25, 3, 13, 2, 19, 11} → ______
- Prime numbers in {7, 11, 27, 15, 17, 19} → ______
- Prime numbers in {17, 21, 12, 2, 11, 25} → ______
- Prime numbers in {25, 13, 29, 11, 12, 8} → ______
- Prime numbers in {29, 5, 11, 25, 19, 2} → ______
- Prime numbers in {9, 13, 2, 29, 12, 15} → ______
- Prime numbers in {29, 5, 23, 3, 15, 17} → ______
- Prime numbers in {12, 15, 7, 25, 29, 27} → ______
- Prime numbers in {25, 19, 3, 7, 17, 27} → ______
- Prime numbers in {15, 13, 7, 2, 3, 25} → ______