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