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