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