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