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