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