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