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