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