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